Flash (You may cast this spell any time you could cast an instant.)

When Affa Guard Hound enters the battlefield, target creature gets +0/+3 until end of turn.

{W}, {T}: Tap target creature.

Flash

Deathtouch

Swampwalk (This creature can't be blocked as long as defending player controls a Swamp.)

{G}: Regenerate Ancient Silverback. (The next time this creature would be destroyed this turn, it isn't. Instead tap it, remove all damage from it, and remove it from combat.)

First strike; reach (This creature can block creatures with flying.)

{1}{G}: Create a 1/1 green Insect creature token.

Reach

Tap an untapped Spider you control: Search your graveyard and/or library for a card named Arachnus Web and put it onto the battlefield attached to target creature. If you search your library this way, shuffle.

Reach, trample

Arctic Foxes can't be blocked by creatures with power 2 or greater as long as defending player controls a snow land.

Cumulative upkeep {2} (At the beginning of your upkeep, put an age counter on this permanent, then sacrifice it unless you pay its upkeep cost for each age counter on it.)

When Arctic Wolves enters the battlefield, draw a card.

Trample

Arlinn's Wolf can't be blocked by creatures with power 2 or less.

Flying

Whenever you cast a historic spell, scry 1. (Artifacts, legendaries, and Sagas are historic. To scry 1, look at the top card of your library, then you may put that card on the bottom of your library.)

Flash (You may cast this spell any time you could cast an instant.)

Flying

When Augury Owl enters the battlefield, scry 3. (Look at the top three cards of your library, then put any number of them on the bottom of your library and the rest on top in any order.)

Trample

Whenever Aurochs attacks, it gets +1/+0 until end of turn for each other attacking Aurochs.

Trample

When Aurochs Herd enters the battlefield, you may search your library for an Aurochs card, reveal it, put it into your hand, then shuffle.

Whenever Aurochs Herd attacks, it gets +1/+0 until end of turn for each other attacking Aurochs.

Flying (This creature can't be blocked except by creatures with flying or reach.)

Flying

Extort (Whenever you cast a spell, you may pay {W/B}. If you do, each opponent loses 1 life and you gain that much life.)

Flying

When Battleflight Eagle enters the battlefield, target creature gets +2/+2 and gains flying until end of turn.

Flying, vigilance

Flying; swampwalk (This creature can't be blocked as long as defending player controls a Swamp.)

Flying

{T}: Add one mana of any color.

When Black Cat dies, target opponent discards a card at random.

Protection from blue

Cycling {2} ({2}, Discard this card: Draw a card.)

Whenever you're dealt damage, you may put that many +1/+1 counters on Blood Hound.

At the beginning of your end step, remove all +1/+1 counters from Blood Hound.

{T}: Boa Constrictor gets +3/+3 until end of turn.

Bog Rats can't be blocked by Walls.

When Bond Beetle enters the battlefield, put a +1/+1 counter on target creature.

This spell costs {3} less to cast if a creature died this turn.

Flying, deathtouch

Battalion -- Whenever Boros Mastiff and at least two other creatures attack, Boros Mastiff gains lifelink until end of turn. (Damage dealt by a creature with lifelink also causes its controller to gain that much life.)

Whenever Brazen Wolves attacks, it gets +2/+0 until end of turn.

Flash (You may cast this spell any time you could cast an instant.)

When Briarpack Alpha enters the battlefield, target creature gets +2/+2 until end of turn.

Sacrifice Brindle Boar: You gain 4 life.

{G}{W}: Bronzehide Lion gains indestructible until end of turn.

When Bronzehide Lion dies, return it to the battlefield. It's an Aura enchantment with enchant creature you control and "{G}{W}: Enchanted creature gains indestructible until end of turn," and it loses all other abilities.

When Brood of Cockroaches is put into your graveyard from the battlefield, at the beginning of the next end step, you lose 1 life and return Brood of Cockroaches to your hand.

Trample

Whenever Bull Aurochs attacks, it gets +1/+0 until end of turn for each other attacking Aurochs.

When Bull Elephant enters the battlefield, sacrifice it unless you return two Forests you control to their owner's hand.

Islandwalk (This creature can't be blocked as long as defending player controls an Island.)

When Burglar Rat enters the battlefield, each opponent discards a card.

Shroud (This creature can't be the target of spells or abilities.)

Landfall -- Whenever a land enters the battlefield under your control, you may switch Calcite Snapper's power and toughness until end of turn.

Banding (Any creatures with banding, and up to one without, can attack in a band. Bands are blocked as a group. If any creatures with banding you control are blocking or being blocked by a creature, you divide that creature's combat damage, not its controller, among any of the creatures it's being blocked by or is blocking.)

As long as Camel is attacking, prevent all damage Deserts would deal to Camel and to creatures banded with Camel.

Reach (This creature can block creatures with flying.)

Mountainwalk (This creature can't be blocked as long as defending player controls a Mountain.)

Flying

When Carrier Pigeons enters the battlefield, draw a card at the beginning of the next turn's upkeep.

{1}: Carrion Ants gets +1/+1 until end of turn.

{2}{B}, {T}: Exile up to three target cards from a single graveyard.

Flying (This creature can't be blocked except by creatures with flying or reach.)

Carrion Crow enters the battlefield tapped.

Whenever Carrion Rats attacks or blocks, any player may exile a card from their graveyard. If a player does, Carrion Rats assigns no combat damage this turn.

Whenever you cast a noncreature spell, Cathar's Companion gains indestructible until end of turn. (Damage and effects that say "destroy" don't destroy it.)

When Cauldron Familiar enters the battlefield, each opponent loses 1 life and you gain 1 life.

Sacrifice a Food: Return Cauldron Familiar from your graveyard to the battlefield.

{1}{G}, Sacrifice Caustic Caterpillar: Destroy target artifact or enchantment.

Whenever Cave Tiger becomes blocked by a creature, Cave Tiger gets +1/+1 until end of turn.

Reach

When Chainweb Aracnir enters the battlefield, it deals damage equal to its power to target creature with flying an opponent controls.

Escape--{3}{G}{G}, Exile four other cards from your graveyard. (You may cast this card from your graveyard for its escape cost.)

Chainweb Aracnir escapes with three +1/+1 counters on it.

Whenever Chambered Nautilus becomes blocked, you may draw a card.

Trample

Charging Rhino can't be blocked by more than one creature.

Lifelink

When Charmed Stray enters the battlefield, put a +1/+1 counter on each other creature you control named Charmed Stray.

Flying

You may discard Circling Vultures any time you could cast an instant.

At the beginning of your upkeep, sacrifice Circling Vultures unless you exile the top creature card of your graveyard.

Flying

When Cloudchaser Eagle enters the battlefield, destroy target enchantment.

Flying

When Cloudchaser Kestrel enters the battlefield, destroy target enchantment.

{W}: Target permanent becomes white until end of turn.

Sacrifice a land: Coastal Hornclaw gains flying until end of turn.

Trample

Whenever Crashing Boars attacks, defending player chooses an untapped creature they control. That creature blocks Crashing Boars this turn if able.

{X}: Crypt Rats deals X damage to each creature and each player. Spend only black mana on X.

Bestow {3}{U}{U} (If you cast this card for its bestow cost, it's an Aura spell with enchant creature. It becomes a creature again if it's not attached to a creature.)

When Crystalline Nautilus becomes the target of a spell or ability, sacrifice it.

Enchanted creature gets +4/+4 and has "When this creature becomes the target of a spell or ability, sacrifice it."

Flying

{2}{G}: Darkthicket Wolf gets +2/+2 until end of turn. Activate only once each turn.

Flying

When Dawnfeather Eagle enters the battlefield, creatures you control get +1/+1 and gain vigilance until end of turn.

{G}, Sacrifice Dawntreader Elk: Search your library for a basic land card, put it onto the battlefield tapped, then shuffle.

Shroud (This creature can't be the target of spells or abilities.)

Reach (This creature can block creatures with flying.)

Deathtouch (Any amount of damage this deals to a creature is enough to destroy it.)

Whenever Deepwood Wolverine becomes blocked, it gets +2/+0 until end of turn.

Flying

{4}, {T}: Search your library for a Rebel permanent card with mana value 3 or less, put it onto the battlefield, then shuffle.

Menace (This creature can't be blocked except by two or more creatures.)

Dire Wolves has banding as long as you control a Plains. (Any creatures with banding, and up to one without, can attack in a band. Bands are blocked as a group. If any creatures with banding you control are blocking or being blocked by a creature, you divide that creature's combat damage, not its controller, among any of the creatures it's being blocked by or is blocking.)

When Drainpipe Vermin dies, you may pay {B}. If you do, target player discards a card.

Flying

{T}: Target land becomes the basic land type of your choice until end of turn.

Soulbond (You may pair this creature with another unpaired creature when either enters the battlefield. They remain paired for as long as you control both of them.)

As long as Druid's Familiar is paired with another creature, each of those creatures gets +2/+2.

Ascend (If you control ten or more permanents, you get the city's blessing for the rest of the game.)

Dusk Charger gets +2/+2 as long as you have the city's blessing.

Flying, protection from black

Flying, protection from black

Suspend 3--{1}{W} (Rather than cast this card from your hand, you may pay {1}{W} and exile it with three time counters on it. At the beginning of your upkeep, remove a time counter. When the last is removed, cast it without paying its mana cost. It has haste.)

{1}{R}, {T}: Target Dwarf creature gains mountainwalk until end of turn. (It can't be blocked as long as defending player controls a Mountain.)

Flying, vigilance

When Earsplitting Rats enters the battlefield, each player discards a card.

Discard a card: Regenerate Earsplitting Rats.

When Electric Eel enters the battlefield, it deals 1 damage to you.

{R}{R}: Electric Eel gets +2/+0 until end of turn and deals 1 damage to you.

First strike

{7}{W}, {T}, Sacrifice Encampment Keeper: Creatures you control get +2/+2 until end of turn.

When Endless Cockroaches dies, return it to its owner's hand.

Kicker {1}{W} (You may pay an additional {1}{W} as you cast this spell.)

When Excavation Elephant enters the battlefield, if it was kicked, return target artifact card from your graveyard to your hand.

When Feral Prowler dies, draw a card.

Trample

{1}{R}: Feral Ridgewolf gets +2/+0 until end of turn.

When Festering Newt dies, target creature an opponent controls gets -1/-1 until end of turn. That creature gets -4/-4 instead if you control a creature named Bogbrew Witch.

{T}: Fire Ants deals 1 damage to each other creature without flying.

Flying

{R}: Firefly gets +1/+0 until end of turn.

Fledgling Osprey has flying as long as it's enchanted.

Flash

When Fleetfoot Panther enters the battlefield, return a green or white creature you control to its owner's hand.

Cumulative upkeep {1} (At the beginning of your upkeep, put an age counter on this permanent, then sacrifice it unless you pay its upkeep cost for each age counter on it.)

Flow of Maggots can't be blocked by non-Wall creatures.

Flying

{B}: Regenerate Fog of Gnats.

Flying

When Foundry Hornet enters the battlefield, if you control a creature with a +1/+1 counter on it, creatures your opponents control get -1/-1 until end of turn.

Flying

Foundry Screecher gets +1/+0 as long as you control an artifact.

Flying, protection from red

Whenever Gang of Elk becomes blocked, it gets +2/+2 until end of turn for each creature blocking it.

When Garrison Cat dies, create a 1/1 white Human Soldier creature token.

When Generous Stray enters the battlefield, draw a card.

Flying

Flying

When Giant Albatross dies, you may pay {1}{U}. If you do, for each creature that dealt damage to Giant Albatross this turn, destroy that creature unless its controller pays 2 life. A creature destroyed this way can't be regenerated.

{G}, Sacrifice Giant Caterpillar: Create a 1/1 green Insect creature token with flying named Butterfly at the beginning of the next end step.

{U}: Giant Crab gains shroud until end of turn. (It can't be the target of spells or abilities.)

Flying

Suspend 4--{1}{G} (Rather than cast this card from your hand, you may pay {1}{G} and exile it with four time counters on it. At the beginning of your upkeep, remove a time counter. When the last is removed, cast it without paying its mana cost. It has haste.)

Reach (This creature can block creatures with flying.)

You may choose not to untap Giant Oyster during your untap step.

{T}: For as long as Giant Oyster remains tapped, target tapped creature doesn't untap during its controller's untap step, and at the beginning of each of your draw steps, put a -1/-1 counter on that creature. When Giant Oyster leaves the battlefield or becomes untapped, remove all -1/-1 counters from the creature.

Deathtouch (Any amount of damage this deals to a creature is enough to destroy it.)

Giant Shark can't attack unless defending player controls an Island.

Whenever Giant Shark blocks or becomes blocked by a creature that has been dealt damage this turn, Giant Shark gets +2/+0 and gains trample until end of turn.

When you control no Islands, sacrifice Giant Shark.

{5}: At the beginning of your next upkeep, choose a basic land type. Giant Slug gains landwalk of the chosen type until the end of that turn. (It can't be blocked as long as defending player controls a land of that type.)

Reach (This creature can block creatures with flying.)

Giant Tortoise gets +0/+3 as long as it's untapped.

{1}{R}{G}, {T}: Exile Giant Trap Door Spider and target creature without flying that's attacking you.

Giant Turtle can't attack if it attacked during your last turn.

Trample

Gibbering Hyenas can't block black creatures.

Reach

Gloomwidow can block only creatures with flying.

When Glowing Anemone enters the battlefield, you may return target land to its owner's hand.

{T}: Add {G}.

Trample

Gorilla Pack can't attack unless defending player controls a Forest.

When you control no Forests, sacrifice Gorilla Pack.

Trample

Gorilla Titan gets +4/+4 as long as there are no cards in your graveyard.

Plainswalk (This creature can't be blocked as long as defending player controls a Plains.)

Whenever Graceful Antelope deals combat damage to a player, you may have target land become a Plains until Graceful Antelope leaves the battlefield.

This spell can't be countered.

Protection from blue and from black (This creature can't be blocked, targeted, dealt damage, or enchanted by anything blue or black.)

When Great Whale enters the battlefield, untap up to seven lands.

{2}{W}, {T}: Choose a permanent you control. Prevent all combat damage target creature would deal this turn if it shares a color with that permanent.

Vigilance (Attacking doesn't cause this creature to tap.)

When Gulf Squid enters the battlefield, tap all lands target player controls.

Flying, first strike, haste

Hagra Crocodile can't block.

Landfall -- Whenever a land enters the battlefield under your control, Hagra Crocodile gets +2/+2 until end of turn.

Hammerhead Shark can't attack unless defending player controls an Island.

Flying, lifelink

When Highland Game dies, you gain 2 life.

Defender

When Hightide Hermit enters the battlefield, you get {E}{E}{E}{E} (four energy counters).

Pay {E}{E}: Hightide Hermit can attack this turn as though it didn't have defender.

Reach

Delve (Each card you exile from your graveyard while casting this spell pays for {1}.)

Trample

Defender (This creature can't attack.)

Whenever Hornet Nest is dealt damage, create that many 1/1 green Insect creature tokens with flying and deathtouch. (Any amount of damage a creature with deathtouch deals to a creature is enough to destroy it.)

Flying, deathtouch

When Hornet Queen enters the battlefield, create four 1/1 green Insect creature tokens with flying and deathtouch.

{U}: Untap Horseshoe Crab.

When Howling Wolf enters the battlefield, you may search your library for up to three cards named Howling Wolf, reveal them, put them into your hand, then shuffle.

Cats you control have protection from Rats. (They can't be blocked, targeted, or dealt damage by Rats.)

At the beginning of your end step, target opponent creates a 1/1 black Rat creature token with deathtouch.

Whenever a Rat dies, put a +1/+1 counter on each Cat you control.

{T}: Target creature can't be regenerated this turn.

{2}{B}: Infected Vermin deals 1 damage to each creature and each player.

Threshold -- {3}{B}: Infected Vermin deals 3 damage to each creature and each player. Activate only if seven or more cards are in your graveyard.

Whenever Initiate's Companion deals combat damage to a player, untap target creature or land.

Delirium -- Inquisitor's Ox gets +1/+0 and has vigilance as long as there are four or more card types among cards in your graveyard.

When Invasive Species enters the battlefield, return another permanent you control to its owner's hand.

Trample

Ironhoof Ox can't be blocked by more than one creature.

Jackal Familiar can't attack or block alone.

Whenever Jackal Pup is dealt damage, it deals that much damage to you.

Flying

{W}, {T}: Target creature can't block this turn.

Whenever Joven's Ferrets attacks, it gets +0/+2 until end of turn.

At end of combat, tap all creatures that blocked Joven's Ferrets this turn. They don't untap during their controller's next untap step.

Flying

Sacrifice Judge's Familiar: Counter target instant or sorcery spell unless its controller pays {1}.

Jungle Lion can't block.

Reach (This creature can block creatures with flying.)

Cycling {2} ({2}, Discard this card: Draw a card.)

Flying

Reach (This creature can block creatures with flying.)

Deathtouch (Any amount of damage this deals to a creature is enough to destroy it.)

{1}{R}: Kessig Wolf gains first strike until end of turn.

{U}: Killer Whale gains flying until end of turn.

Flash

{1}{U}, {T}: Put target green creature on top of its owner's library.

Flying

When Kingfisher dies, draw a card.

Kird Ape gets +1/+2 as long as you control a Forest.

Swampwalk (This creature can't be blocked as long as defending player controls a Swamp.)

{T}: Target black creature gets -2/-0 until end of turn.

First strike

Leapfrog has flying as long as you've cast an instant or sorcery spell this turn.

Loam Lion gets +1/+2 as long as you control a Forest.

Flying

{G}: Regenerate Locust Swarm.

{G}: Untap Locust Swarm. Activate only once each turn.

You may have Lone Wolf assign its combat damage as though it weren't blocked.

Whenever you draw a card, put a +1/+1 counter on Lorescale Coatl.

Defender, flying

Whenever you cast a white spell, Loyal Gyrfalcon loses defender until end of turn.

Bloodthirst 1 (If an opponent was dealt damage this turn, this creature enters the battlefield with a +1/+1 counter on it.)

Islandwalk (This creature can't be blocked as long as defending player controls an Island.)

When an opponent has 10 or less life, if Lurking Jackals is an enchantment, it becomes a 3/2 Jackal creature.

Forestwalk (This creature can't be blocked as long as defending player controls a Forest.)

At the beginning of your end step, if Mad Dog didn't attack or come under your control this turn, sacrifice it.

Reach (This creature can block creatures with flying.)

When Man-o'-War enters the battlefield, return target creature to its owner's hand.

Manta Ray can't attack unless defending player controls an Island.

Manta Ray can't be blocked except by blue creatures.

When you control no Islands, sacrifice Manta Ray.

Swampwalk (This creature can't be blocked as long as defending player controls a Swamp.)

When Marsh Crocodile enters the battlefield, return a blue or black creature you control to its owner's hand.

When Marsh Crocodile enters the battlefield, each player discards a card.

Whenever Marsh Viper deals damage to a player, that player gets two poison counters. (A player with ten or more poison counters loses the game.)

Flying

{1}{W}: Mesa Falcon gets +0/+1 until end of turn.

Swampwalk (This creature can't be blocked as long as defending player controls a Swamp.)

{G}: Regenerate Mire Boa. (The next time this creature would be destroyed, instead tap it, remove it from combat, and heal all damage on it.)

Flying

When Mist Raven enters the battlefield, return target creature to its owner's hand.

Whenever Mistford River Turtle attacks, another target attacking non-Human creature can't be blocked this turn.

Whenever a player sacrifices a creature, you may put a +1/+1 counter on Mortician Beetle.

Mountainwalk (This creature can't be blocked as long as defending player controls a Mountain.)

Whenever Mtenda Lion attacks, defending player may pay {U}. If that player does, prevent all combat damage that would be dealt by Mtenda Lion this turn.

Flying

Whenever another creature dies, you may draw a card. If you do, discard a card.

Flash

When Mystic Snake enters the battlefield, counter target spell.

Whenever Nafs Asp deals damage to a player, that player loses 1 life at the beginning of their next draw step unless they pay {1} before that draw step.

First strike, protection from red

Reach

Flash (You may cast this spell any time you could cast an instant.)

Flying

All creatures able to block Nessian Boar do so.

Whenever Nessian Boar becomes blocked by a creature, that creature's controller draws a card.

Reach (This creature can block creatures with flying.)

Whenever Netcaster Spider blocks a creature with flying, Netcaster Spider gets +2/+0 until end of turn.

Shroud (This creature can't be the target of spells or abilities.)

Threshold -- Nimble Mongoose gets +2/+2 as long as seven or more cards are in your graveyard.

Trample; banding (Any creatures with banding, and up to one without, can attack in a band. Bands are blocked as a group. If any creatures with banding you control are blocking or being blocked by a creature, you divide that creature's combat damage, not its controller, among any of the creatures it's being blocked by or is blocking.)

{1}: Noble Panther gains first strike until end of turn.

Reach

Discard a card: Noose Constrictor gets +1/+1 until end of turn.

Whenever Ohran Viper deals combat damage to a creature, destroy that creature at end of combat.

Whenever Ohran Viper deals combat damage to a player, you may draw a card.

Kicker {2}{G} (You may pay an additional {2}{G} as you cast this spell.)

Reach (This creature can block creatures with flying.)

When Oran-Rief Recluse enters the battlefield, if it was kicked, destroy target creature with flying.

Flying

At the beginning of each end step, if a creature died this turn, put a carrion counter on Osai Vultures.

Remove two carrion counters from Osai Vultures: Osai Vultures gets +1/+1 until end of turn.

Flying

When Owl Familiar enters the battlefield, draw a card, then discard a card.

Pack Rat's power and toughness are each equal to the number of Rats you control.

{2}{B}, Discard a card: Create a token that's a copy of Pack Rat.

Islandwalk (This creature can't be blocked as long as defending player controls an Island.)

Reach (This creature can block creatures with flying.)

Forestcycling {2}, plainscycling {2} ({2}, Discard this card: Search your library for a Forest or Plains card, reveal it, put it into your hand, then shuffle.)

Discard a card: Patrol Hound gains first strike until end of turn.

When Penumbra Bobcat dies, create a 2/1 black Cat creature token.

Reach

When Penumbra Spider dies, create a 2/4 black Spider creature token with reach.

Pestilence Rats's power is equal to the number of other Rats on the battlefield. (For example, as long as there are two other Rats on the battlefield, Pestilence Rats's power and toughness are 2/3.)

Deathtouch (Any amount of damage this deals to a creature is enough to destroy it.)

Whenever Phase Dolphin attacks, another target attacking creature can't be blocked this turn.

Shroud (This creature can't be the target of spells or abilities.)

Whenever Pit Scorpion deals damage to a player, that player gets a poison counter. (A player with ten or more poison counters loses the game.)

Swampwalk (This creature can't be blocked as long as defending player controls a Swamp.)

Plague Rats's power and toughness are each equal to the number of creatures named Plague Rats on the battlefield.

Echo {G} (At the beginning of your upkeep, if this came under your control since the beginning of your last upkeep, sacrifice it unless you pay its echo cost.)

As long as it's your turn, Pouncing Lynx has first strike.

Prized Elephant gets +1/+1 as long as you control a Forest.

{G}: Prized Elephant gains trample until end of turn. (It can deal excess combat damage to the player or planeswalker it's attacking.)

When Prowling Pangolin enters the battlefield, any player may sacrifice two creatures. If a player does, sacrifice Prowling Pangolin.

Whenever Pygmy Hippo attacks and isn't blocked, you may have defending player activate a mana ability of each land they control and lose all unspent mana. If you do, Pygmy Hippo assigns no combat damage this turn and at the beginning of your next main phase this turn, you add an amount of {C} equal to the amount of mana that player lost this way.

Trample

{R}: Pyric Salamander gets +1/+0 until end of turn. Sacrifice Pyric Salamander at the beginning of the next end step.

When Quarry Beetle enters the battlefield, you may return target land card from your graveyard to the battlefield.

Whenever Rabid Elephant becomes blocked, it gets +2/+2 until end of turn for each creature blocking it.

{T}: Target blocking creature gets -1/-1 until end of turn.

Whenever Rabid Wolverines becomes blocked by a creature, Rabid Wolverines gets +1/+1 until end of turn.

Vigilance

Rabid Wombat gets +2/+2 for each Aura attached to it.

Haste

Whenever Raging Gorilla blocks or becomes blocked, it gets +2/-2 until end of turn.

Flying

{1}: Rainbow Crow becomes the color of your choice until end of turn.

Trample

Cycling {2} ({2}, Discard this card: Draw a card.)

{G}: Target creature blocks Rampant Elephant this turn if able.

Rat Colony gets +1/+0 for each other Rat you control.

A deck can have any number of cards named Rat Colony.

{B}: Destroy target artifact, creature, or land you control.

Flying

Echo {2}{U} (At the beginning of your upkeep, if this came under your control since the beginning of your last upkeep, sacrifice it unless you pay its echo cost.)

When Raven Familiar enters the battlefield, look at the top three cards of your library. Put one of them into your hand and the rest on the bottom of your library in any order.

When Ravenous Baboons enters the battlefield, destroy target nonbasic land.

When Ravenous Rats enters the battlefield, target opponent discards a card.

Whenever Razorclaw Bear becomes blocked, it gets +2/+2 until end of turn.

Fear (This creature can't be blocked except by artifact creatures and/or black creatures.)

Other Cats you control get +1/+1 and have lifelink.

When Regal Caracal enters the battlefield, create two 1/1 white Cat creature tokens with lifelink.

Relentless Rats gets +1/+1 for each other creature on the battlefield named Relentless Rats.

A deck can have any number of cards named Relentless Rats.

Defender

{1}, Sacrifice Resolute Watchdog: Target creature you control gains indestructible until end of turn. (Damage and effects that say "destroy" don't destroy it.)

Reach (This creature can block creatures with flying.)

Trample

Whenever Rimehorn Aurochs attacks, it gets +1/+0 until end of turn for each other attacking Aurochs.

{2}{S}: Target creature blocks target creature this turn if able. ({S} can be paid with one mana from a snow source.)

Flying (This creature can't be blocked except by creatures with flying or reach.)

Prowess (Whenever you cast a noncreature spell, this creature gets +1/+1 until end of turn.)

Islandwalk (This creature can't be blocked as long as defending player controls an Island.)

Islandwalk (This creature can't be blocked as long as defending player controls an Island.)

{G}: Regenerate River Boa.

Flying

{3}{G}{U}: You gain 2 life and draw a card.

When Rogue Elephant enters the battlefield, sacrifice it unless you sacrifice a Forest.

Whenever Root Spider blocks, it gets +1/+0 and gains first strike until end of turn.

Sacrifice a Forest: Regenerate Rootwater Alligator.

Deathtouch

When Ruin Rat dies, exile target card from an opponent's graveyard.

Whenever Rysorian Badger attacks and isn't blocked, you may exile up to two target creature cards from defending player's graveyard. If you do, you gain 1 life for each card exiled this way and Rysorian Badger assigns no combat damage this turn.

First strike

Lifelink

Embalm {W} ({W}, Exile this card from your graveyard: Create a token that's a copy of it, except it's a white Zombie Cat with no mana cost. Embalm only as a sorcery.)

Hexproof (This creature can't be the target of spells or abilities your opponents control.)

Flying

When Sage Owl enters the battlefield, look at the top four cards of your library, then put them back in any order.

Phasing (This phases in or out before you untap during each of your untap steps. While it's phased out, it's treated as though it doesn't exist.)

{U}{B}, {T}, Sacrifice Savage Gorilla: Target creature gets -3/-3 until end of turn. Draw a card.

Whenever Scalding Salamander attacks, you may have it deal 1 damage to each creature without flying defending player controls.

Scarred Puma can't attack unless a black or green creature also attacks.

At the beginning of your upkeep, sacrifice School of Piranha unless you pay {1}{U}.

Flying

When Screaming Seahawk enters the battlefield, you may search your library for a card named Screaming Seahawk, reveal it, put it into your hand, then shuffle.

Flying

When Screeching Buzzard dies, each opponent discards a card.

{T}: Exile the top card of target player's library. If it's a land card, you gain 1 life.

Landfall -- Whenever a land enters the battlefield under your control, you may untap Scrib Nibblers.

Deathtouch (Any amount of damage this deals to a creature is enough to destroy it.)

Flying

{1}{W}: Senate Courier gains vigilance until end of turn.

Flying

Whenever a creature dealt damage by Sengir Bats this turn dies, put a +1/+1 counter on Sengir Bats.

Vigilance, reach

{B}, Pay 1 life: Sewer Rats gets +1/+0 until end of turn. Activate no more than three times each turn.

When Shipwreck Moray enters the battlefield, you get {E}{E}{E}{E} (four energy counters).

Pay {E}: Shipwreck Moray gets +2/-2 until end of turn.

{T}: Scry 1. (Look at the top card of your library. You may put that card on the bottom of your library.)

Reach

{X}{G}{G}: Silklash Spider deals X damage to each creature with flying.

{1}{W}, Sacrifice Silverchase Fox: Exile target enchantment.

Multikicker {1}{R} (You may pay an additional {1}{R} any number of times as you cast this spell.)

Haste

Skitter of Lizards enters the battlefield with a +1/+1 counter on it for each time it was kicked.

Cast this spell only if you've cast another spell this turn.

Flying

Flying, vigilance

Vigilance (Attacking doesn't cause this creature to tap.)

Reach (This creature can block creatures with flying.)

Reach

Whenever Snarespinner blocks a creature with flying, Snarespinner gets +2/+0 until end of turn.

Solitary Camel has lifelink as long as you control a Desert or there is a Desert card in your graveyard. (Damage dealt by this creature also causes you to gain that much life.)

Flying

Morph {3}{B} (You may cast this card face down as a 2/2 creature for {3}. Turn it face up any time for its morph cost.)

{U}: Regenerate Spiny Starfish.

At the beginning of each end step, if Spiny Starfish regenerated this turn, create a 0/1 blue Starfish creature token for each time it regenerated this turn.

Flying

When Spire Owl enters the battlefield, look at the top four cards of your library, then put them back in any order.

Reach (This creature can block creatures with flying.)

Sacrifice a land: Spitting Spider deals 1 damage to each creature with flying.

Threshold -- Springing Tiger gets +2/+2 as long as seven or more cards are in your graveyard.

Flying

When Squadron Hawk enters the battlefield, you may search your library for up to three cards named Squadron Hawk, reveal them, put them into your hand, then shuffle.

Squirrel Mob gets +1/+1 for each other Squirrel on the battlefield.

Stalking Tiger can't be blocked by more than one creature.

Formidable -- Whenever Stampeding Elk Herd attacks, if creatures you control have total power 8 or greater, creatures you control gain trample until end of turn.

Trample (This creature can deal excess combat damage to the player or planeswalker it's attacking.)

Trample

At the beginning of your upkeep, return a green creature you control to its owner's hand.

Trample (This creature can deal excess combat damage to the player or planeswalker it's attacking.)

At the beginning of your upkeep, return a green creature you control to its owner's hand.

Landfall -- Whenever a land enters the battlefield under your control, Steppe Lynx gets +2/+2 until end of turn.

Reach

When Stingerfling Spider enters the battlefield, you may destroy target creature with flying.

Flying (This creature can't be blocked except by creatures with flying or reach.)

Flying

White spells and black spells you cast cost {1} less to cast.

Flying

Sacrifice a land: Return Stormwatch Eagle to its owner's hand.

When Striped Bears enters the battlefield, draw a card.

Flying

When Supply Caravan enters the battlefield, if you control a tapped creature, create a 1/1 white Warrior creature token with vigilance.

Flying

When Supply-Line Cranes enters the battlefield, put a +1/+1 counter on target creature.

Flying

Whenever Swamp Mosquito attacks and isn't blocked, defending player gets a poison counter. (A player with ten or more poison counters loses the game.)

Swarm of Rats's power is equal to the number of Rats you control.

Whenever Tangle Asp blocks or becomes blocked by a creature, destroy that creature at end of combat.

Flash (You may cast this spell any time you could cast an instant.)

Reach (This creature can block creatures with flying.)

When Tarpan dies, you gain 1 life.

Kicker {4}{U} (You may pay an additional {4}{U} as you cast this spell.)

Flying

When Tempest Owl enters the battlefield, if it was kicked, tap up to three target permanents.

Whenever a creature with power 4 or greater enters the battlefield under your control, Territorial Boar gets +1/+1 and gains vigilance until end of turn.

Flying (This creature can't be blocked except by creatures with flying or reach.)

Whenever Thieving Magpie deals damage to an opponent, draw a card.

When Thriving Turtle enters the battlefield, you get {E}{E} (two energy counters).

Whenever Thriving Turtle attacks, you may pay {E}{E}. If you do, put a +1/+1 counter on it.

Banding (Any creatures with banding, and up to one without, can attack in a band. Bands are blocked as a group. If any creatures with banding you control are blocking or being blocked by a creature, you divide that creature's combat damage, not its controller, among any of the creatures it's being blocked by or is blocking.)

Timberpack Wolf gets +1/+1 for each other creature you control named Timberpack Wolf.

Lifelink (Damage dealt by this creature also causes you to gain that much life.)

Flying

Whenever Trained Condor attacks, another target creature you control gains flying until end of turn.

Reach (This creature can block creatures with flying.)

Vigilance

Trusty Companion can't attack alone.

First strike (This creature deals combat damage before creatures without first strike.)

Deathtouch (Any amount of damage this deals to a creature is enough to destroy it.)

When Uktabi Orangutan enters the battlefield, destroy target artifact.

Uktabi Wildcats's power and toughness are each equal to the number of Forests you control.

{G}, Sacrifice a Forest: Regenerate Uktabi Wildcats.

Deathtouch

Morbid -- When Ulvenwald Bear enters the battlefield, if a creature died this turn, put two +1/+1 counters on target creature.

Flying

Whenever Umara Raptor or another Ally enters the battlefield under your control, you may put a +1/+1 counter on Umara Raptor.

Flying

{G}: Unyaro Bees gets +1/+1 until end of turn.

{3}{G}, Sacrifice Unyaro Bees: It deals 2 damage to any target.

Ursine Fylgja enters the battlefield with four healing counters on it.

Remove a healing counter from Ursine Fylgja: Prevent the next 1 damage that would be dealt to Ursine Fylgja this turn.

{2}{W}: Put a healing counter on Ursine Fylgja.

Flying (This creature can't be blocked except by creatures with flying or reach.)

{B}: Vampire Bats gets +1/+0 until end of turn. Activate no more than twice each turn.

Flying

Whenever Venomous Dragonfly blocks or becomes blocked by a creature, destroy that creature at end of combat.

Flash

Flying

First strike

Whenever Voracious Cobra deals combat damage to a creature, destroy that creature.

Flash

When Voracious Greatshark enters the battlefield, counter target artifact or creature spell.

Flying

{1}{B}, Sacrifice a creature: Regenerate Wake of Vultures.

Creatures with power less than Wandering Wolf's power can't block it.

Trample; banding (Any creatures with banding, and up to one without, can attack in a band. Bands are blocked as a group. If any creatures with banding you control are blocking or being blocked by a creature, you divide that creature's combat damage, not its controller, among any of the creatures it's being blocked by or is blocking.)

Flying

War Falcon can't attack unless you control a Knight or a Soldier.

Trample

Hexproof (This creature can't be the target of spells or abilities your opponents control.)

Swampwalk (This creature can't be blocked as long as defending player controls a Swamp.)

Vigilance

Deathtouch

Bloodrush -- {G}, Discard Wasteland Viper: Target attacking creature gets +1/+2 and gains deathtouch until end of turn.

Water Wurm gets +0/+1 as long as an opponent controls an Island.

Flying (This creature can't be blocked except by creatures with flying or reach.)

Welkin Tern can block only creatures with flying.

Flash

When Whitemane Lion enters the battlefield, return a creature you control to its owner's hand.

At the beginning of your upkeep, if a player has more life than each other player, the player with the most life gains control of Wild Dogs.

Cycling {2} ({2}, Discard this card: Draw a card.)

Trample

At the beginning of your upkeep, if a player controls more creatures than each other player, the player who controls the most creatures gains control of Wild Mammoth.

Discard a card: Wild Mongrel gets +1/+1 and becomes the color of your choice until end of turn.

Swampwalk (This creature can't be blocked as long as defending player controls a Swamp.)

Flying, protection from blue

Rampage 2 (Whenever this creature becomes blocked, it gets +2/+2 until end of turn for each creature blocking it beyond the first.)

Woolly Mammoths has trample as long as you control a snow land.

{T}: Target creature gets +1/+1 until end of turn.

Trample, haste

Cumulative upkeep {G}{G} (At the beginning of your upkeep, put an age counter on this permanent, then sacrifice it unless you pay its upkeep cost for each age counter on it.)

Undying (When this creature dies, if it had no +1/+1 counters on it, return it to the battlefield under its owner's control with a +1/+1 counter on it.)

Flying, vigilance

Mountainwalk (This creature can't be blocked as long as defending player controls a Mountain.)

Mountainwalk (This creature can't be blocked as long as defending player controls a Mountain.)

Islandwalk (This creature can't be blocked as long as defending player controls an Island.)

Forestwalk (This creature can't be blocked as long as defending player controls a Forest.)

Swampwalk (This creature can't be blocked as long as defending player controls a Swamp.)

Swampwalk (This creature can't be blocked as long as defending player controls a Swamp.)

Forestwalk (This creature can't be blocked as long as defending player controls a Forest.)

Swampwalk (This creature can't be blocked as long as defending player controls a Swamp.)

Plainswalk (This creature can't be blocked as long as defending player controls a Plains.)

Swampwalk (This creature can't be blocked as long as defending player controls a Swamp.)

Forestwalk (This creature can't be blocked as long as defending player controls a Forest.)