Destroy target permanent an opponent controls. Its controller may search their library for a basic land card, put it onto the battlefield, then shuffle.

Atraxa's Skitterfang enters the battlefield with three oil counters on it.

At the beginning of combat on your turn, you may remove an oil counter from Atraxa's Skitterfang. When you do, target creature you control gains your choice of flying, vigilance, deathtouch, or lifelink until end of turn.

Flying

{B}: Battlefly Swarm gains deathtouch until end of turn.

Destroy target permanent. Its controller creates a 3/3 green Beast creature token.

Deathtouch

Toxic 1 (Players dealt combat damage by this creature also get a poison counter.)

({G/P} can be paid with either {G} or 2 life.)

{1}{G/P}, {T}, Sacrifice a creature: Search your library for a creature card with mana value equal to 1 plus the sacrificed creature's mana value, put that card onto the battlefield, then shuffle. Activate only as a sorcery.

Blast Zone enters the battlefield with a charge counter on it.

{T}: Add {C}.

{X}{X}, {T}: Put X charge counters on Blast Zone.

{3}, {T}, Sacrifice Blast Zone: Destroy each nonland permanent with mana value equal to the number of charge counters on Blast Zone.

Other Pests, Bats, Insects, Snakes, and Spiders you control get +1/+1.

When Blex, Vexing Pest dies, you gain 4 life.

Look at the top five cards of your library. You may put any number of them into your hand and the rest into your graveyard. You lose 3 life for each card you put into your hand this way.

As an additional cost to cast this spell, sacrifice a creature.

Return a creature card from your graveyard to the battlefield, then return another creature card from your graveyard to your hand.

Changeling (This card is every creature type.)

As Bloodline Pretender enters the battlefield, choose a creature type.

Whenever another creature of the chosen type enters the battlefield under your control, put a +1/+1 counter on Bloodline Pretender.

Whenever an opponent plays a land, you may put a land card from your hand onto the battlefield.

Choose one --

• Search your library for a basic land card, reveal it, put it into your hand, then shuffle.

• Target creature you control fights target creature you don't control. (Each deals damage equal to its power to the other.)

{2}, {T}: Add {B} for each Swamp you control.

Create two 1/1 green Phyrexian Insect creature tokens with infect. (They deal damage to creatures in the form of -1/-1 counters and to players in the form of poison counters.)

Landfall -- Whenever a land enters the battlefield under your control, you may have target creature get -1/-1 until end of turn.

Flying

Whenever Caustic Wasps deals combat damage to a player, you may destroy target artifact that player controls.

Changeling (This card is every creature type.)

Protection from black

{2}{G}{G}: Chameleon Colossus gets +X/+X until end of turn, where X is its power.

When Circuit Mender enters the battlefield, you gain 2 life.

When Circuit Mender leaves the battlefield, draw a card.

{T}: Add {C}.

{T}, Sacrifice Command Beacon: Put your commander into your hand from the command zone.

When Contagion Engine enters the battlefield, put a -1/-1 counter on each creature target player controls.

{4}, {T}: Proliferate, then proliferate again. (Choose any number of permanents and/or players, then give each another counter of each kind already there. Then do it again.)

Trample

Crash of Rhino Beetles gets +10/+10 as long as you control ten or more lands.

At the beginning of your upkeep, you may mill two cards. (You may put the top two cards of your library into your graveyard.)

Whenever one or more creature cards are put into your graveyard from anywhere during your turn, create a 1/1 green Insect creature token. This ability triggers only once each turn.

At the beginning of your upkeep, you may mill two cards.

Whenever one or more land cards are put into your graveyard from anywhere for the first time each turn, create a 1/1 green Insect creature token.

Dark Depths enters the battlefield with ten ice counters on it.

{3}: Remove an ice counter from Dark Depths.

When Dark Depths has no ice counters on it, sacrifice it. If you do, create Marit Lage, a legendary 20/20 black Avatar creature token with flying and indestructible.

{T}: Add {C}.

{2}, {T}, Sacrifice Demolition Field: Destroy target nonbasic land an opponent controls. That land's controller may search their library for a basic land card, put it onto the battlefield, then shuffle. You may search your library for a basic land card, put it onto the battlefield, then shuffle.

Flash

Whenever a creature you control dies, each opponent sacrifices a creature.

Target creature gets -4/-4 until end of turn. Proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)

Green spells you cast cost {1} less to cast.

{T}: Add {C}.

{1}, {T}, Sacrifice Emergence Zone: You may cast spells this turn as though they had flash.

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

Landfall -- Whenever a land enters the battlefield under your control, proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)

{G}, Sacrifice a creature: Reveal cards from the top of your library until you reveal a creature card. Put that card into your hand and the rest on the bottom of your library in a random order.

Look at the top six cards of your library. Put up to two land cards from among them onto the battlefield tapped and the rest on the bottom of your library in a random order. If you put fewer than two lands onto the battlefield this way, proliferate a number of times equal to the difference. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)

You may play an additional land on each of your turns.

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.

Trample

Ward {2} (Whenever this creature becomes the target of a spell or ability an opponent controls, counter it unless that player pays {2}.)

Other creatures you control have trample and ward {2}.

Cumulative upkeep--Pay 2 life. (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 Glacial Chasm enters the battlefield, sacrifice a land.

Creatures you control can't attack.

Prevent all damage that would be dealt to you.

When Gulping Scraptrap enters the battlefield or dies, proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)

{X}{B/P}: Remove up to X counters from target permanent. For each counter removed this way, Hex Parasite gets +1/+0 until end of turn. ({B/P} can be paid with either {B} or 2 life.)

At the beginning of your end step, create a 1/1 green Insect creature token for each +1/+1 counter you've put on creatures under your control this turn.

Undergrowth -- When Izoni, Thousand-Eyed enters the battlefield, create a 1/1 black and green Insect creature token for each creature card in your graveyard.

{B}{G}, Sacrifice another creature: You gain 1 life and draw a card.

{T}: Add {C}.

{4}, {T}: Proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)

Landfall -- Whenever a land enters the battlefield under your control, you gain 1 life.

Trample

Whenever Living Hive deals combat damage to a player, create that many 1/1 green Insect creature tokens.

Hexproof

Lotus Field enters the battlefield tapped.

When Lotus Field enters the battlefield, sacrifice two lands.

{T}: Add three mana of any one color.

Mirrorpool enters the battlefield tapped.

{T}: Add {C}.

{2}{C}, {T}, Sacrifice Mirrorpool: Copy target instant or sorcery spell you control. You may choose new targets for the copy.

{4}{C}, {T}, Sacrifice Mirrorpool: Create a token that's a copy of target creature you control.

When Moldgraf Millipede enters the battlefield, mill three cards, then put a +1/+1 counter on Moldgraf Millipede for each creature card in your graveyard. (To mill a card, put the top card of your library into your graveyard.)

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

You may cast Necromancy as though it had flash. If you cast it any time a sorcery couldn't have been cast, the controller of the permanent it becomes sacrifices it at the beginning of the next cleanup step.

When Necromancy enters the battlefield, if it's on the battlefield, it becomes an Aura with "enchant creature put onto the battlefield with Necromancy." Put target creature card from a graveyard onto the battlefield under your control and attach Necromancy to it. When Necromancy leaves the battlefield, that creature's controller sacrifices it.

Infect (This creature deals damage to creatures in the form of -1/-1 counters and to players in the form of poison counters.)

When Necropede dies, you may put a -1/-1 counter on target creature.

Whenever you put one or more -1/-1 counters on a creature, create that many 1/1 black Insect creature tokens.

{1}{B}, Pay 2 life: Return target creature card from your graveyard to your hand.

Infect (This creature deals damage to creatures in the form of -1/-1 counters and to players in the form of poison counters.)

At the beginning of your upkeep, create a 1/1 green Phyrexian Insect creature token with infect for each poison counter your opponents have.

Choose four. You may choose the same mode more than once.

• Create a 2/2 Citizen creature token that's all colors.

• Return target permanent card from your graveyard to your hand.

• Proliferate.

• You gain 4 life.

Target creature you control gets +X/+X until end of turn. Then it fights up to one target creature you don't control.

{T}: Add {C}.

{T}, Sacrifice Quicksand: Target attacking creature without flying gets -1/-2 until end of turn.

{T}: Add {C}.

{2}, {T}, Sacrifice Roadside Reliquary: Draw a card if you control an artifact. Draw a card if you control an enchantment.

Whenever Saber Ants is dealt damage, you may create that many 1/1 green Insect creature tokens.

At the beginning of your upkeep, if you control five or more lands, put four +1/+1 counters on Scute Mob.

Flash

This spell can't be countered.

Reach, protection from blue

Proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)

Target creature you control fights up to one target creature you don't control.

Flash

Flying

When Spire Mangler enters the battlefield, target creature with flying you control gets +2/+0 until end of turn.

Ninjutsu {3}{G} ({3}{G}, Return an unblocked attacker you control to hand: Put this card onto the battlefield from your hand tapped and attacking.)

Whenever Spring-Leaf Avenger deals combat damage to a player, return target permanent card from your graveyard to your hand.

{T}, Pay 1 life: Destroy target permanent you own.

{T}, Pay 2 life: Add one mana of any color.

{T}, Pay 3 life: Proliferate.

{T}, Pay 4 life: Draw a card.

{5}: Untap Staff of Compleation.

{T}: Add {C}.

{T}, Sacrifice Strip Mine: Destroy target land.

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.)

When Symbiotic Beast dies, create four 1/1 green Insect creature tokens.

When Symbiotic Wurm dies, create seven 1/1 green Insect creature tokens.

Whenever another creature dies, or a creature card is put into a graveyard from anywhere other than the battlefield, or a creature card leaves your graveyard, Syr Konrad, the Grim deals 1 damage to each opponent.

{1}{B}: Each player mills a card. (They each put the top card of their library into their graveyard.)

Choose one --

• Search your library for a basic land card, reveal it, put it into your hand, then shuffle.

• Proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)

Target creature gets -1/-1 until end of turn.

Morbid -- That creature gets -13/-13 until end of turn instead if a creature died this turn.

{T}: Add {C}.

{X}{X}, {T}, Sacrifice Treasure Vault: Create X Treasure tokens.

Return target permanent card from your graveyard to your hand. Proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)

You may cast spells as though they had flash.

Vigilance, trample

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.)

Compleated ({B/P} can be paid with {B} or 2 life. If life was paid, this planeswalker enters with two fewer loyalty counters.)

0: You draw a card and you lose 1 life. Proliferate.

-2: Target creature becomes a Treasure artifact with "{T}, Sacrifice this artifact: Add one mana of any color" and loses all other card types and abilities.

-9: If target player has fewer than nine poison counters, they get a number of poison counters equal to the difference.

Changeling (This card is every creature type.)

Reach

When Webweaver Changeling enters the battlefield, if there are three or more creature cards in your graveyard, you gain 5 life.

Target creature gets -1/-1 until end of turn. Proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)

Whenever World Shaper attacks, you may mill three cards.

When World Shaper dies, return all land cards from your graveyard to the battlefield tapped.

{T}: Add {C}.

{G}, {T}: Regenerate target creature.

Protection from Humans

Pay 1 life, Sacrifice another creature: Put a -1/-1 counter on up to one target creature and draw a card.

{B}{B}, Discard a card: Proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)