Echo {1}{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.)

Flying

Modular 1 (This creature enters the battlefield with a +1/+1 counter on it. When it dies, you may put its +1/+1 counters on target artifact creature.)

Morph {X}{B}{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.)

When Bane of the Living is turned face up, all creatures get -X/-X until end of turn.

Barren Moor enters the battlefield tapped.

{T}: Add {B}.

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

Flying

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

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

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

Creatures your opponents control can't have +1/+1 counters put on them.

When Blister Beetle enters the battlefield, target creature gets -1/-1 until end of turn.

Bojuka Bog enters the battlefield tapped.

When Bojuka Bog enters the battlefield, exile target player's graveyard.

{T}: Add {B}.

When Brain Maggot enters the battlefield, target opponent reveals their hand and you choose a nonland card from it. Exile that card until Brain Maggot leaves the battlefield.

Flying

Brass Gnat doesn't untap during your untap step.

At the beginning of your upkeep, you may pay {1}. If you do, untap Brass Gnat.

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

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

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

Carrion Grub gets +X/+0, where X is the greatest power among creature cards in your graveyard.

When Carrion Grub enters the battlefield, mill four cards. (Put the top four cards of your library into your graveyard.)

Flying

When Carrion Locust enters the battlefield, exile target card from an opponent's graveyard. If it was a creature card, that player loses 1 life.

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

Flying

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

Clockwork Beetle enters the battlefield with two +1/+1 counters on it.

Whenever Clockwork Beetle attacks or blocks, remove a +1/+1 counter from it at end of combat.

Coiling Woodworm's power is equal to the number of Forests on the battlefield.

{T}: Add {B}.

{T}: Add {G}.

Deathcap Glade enters the battlefield tapped unless you control two or more other lands.

{T}: Add {B} or {G}.

Flying

Sacrifice a creature: Devouring Swarm gets +1/+1 until end of turn.

Sacrifice a creature: Dross Hopper gains flying until end of turn.

Scavenge {5}{G} ({5}{G}, Exile this card from your graveyard: Put a number of +1/+1 counters equal to this card's power on target creature. Scavenge only as a sorcery.)

When Duskshell Crawler enters the battlefield, put a +1/+1 counter on target creature.

Each creature you control with a +1/+1 counter on it has trample.

Flying

{G}{G}: Emerald Dragonfly gains first strike until end of turn.

Flying

{B}: Regenerate Fog of Gnats.

({T}: Add {G}.)

({T}: Add {G}.)

({T}: Add {G}.)

({T}: Add {G}.)

({T}: Add {G}.)

({T}: Add {G}.)

({T}: Add {G}.)

({T}: Add {G}.)

Reach

When Giant Ladybug enters the battlefield, you may search your library for a basic land card, reveal it, then shuffle and put that card on top.

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

At the beginning of your upkeep, if Gigapede is in your graveyard, you may discard a card. If you do, return Gigapede to your hand.

{1}, Sacrifice Grave-Shell Scarab: Draw a card.

Dredge 1 (If you would draw a card, you may mill a card instead. If you do, return this card from your graveyard to your hand.)

As long as Grist, the Hunger Tide isn't on the battlefield, it's a 1/1 Insect creature in addition to its other types.

+1: Create a 1/1 black and green Insect creature token, then mill a card. If an Insect card was milled this way, put a loyalty counter on Grist and repeat this process.

-2: You may sacrifice a creature. When you do, destroy target creature or planeswalker.

-5: Each opponent loses life equal to the number of creature cards in your graveyard.

When Haywire Mite dies, you gain 2 life.

{G}, Sacrifice Haywire Mite: Exile target noncreature artifact or noncreature enchantment.

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.

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

{T}: Choose target permanent you control or suspended card you own. If that permanent or card has a time counter on it, you may remove a time counter from it or put another time counter on it.

{2}: Regenerate target artifact creature.

Jungle Basin enters the battlefield tapped.

When Jungle Basin enters the battlefield, sacrifice it unless you return an untapped Forest you control to its owner's hand.

{T}: Add {C}{G}.

Jungle Hollow enters the battlefield tapped.

When Jungle Hollow enters the battlefield, you gain 1 life.

{T}: Add {B} or {G}.

Flying

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

Undergrowth -- When Kraul Foragers enters the battlefield, you gain 1 life for each creature card in your graveyard.

Reach

Undergrowth -- When Kraul Harpooner enters the battlefield, choose up to one target creature with flying you don't control. Kraul Harpooner gets +X/+0 until end of turn, where X is the number of creature cards in your graveyard, then you may have Kraul Harpooner fight that creature.

Flying

{2}{B}, Discard a creature card: Return Kraul Swarm from your graveyard to your hand.

{5}{G}: Kraul Warrior gets +3/+3 until end of turn.

When Loam Larva enters the battlefield, you may search your library for a basic land card, reveal it, then shuffle and put that card on top.

Flying

{G}: Regenerate Locust Swarm.

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

When Marker Beetles dies, target creature gets +1/+1 until end of turn.

{2}, Sacrifice Marker Beetles: Draw a card.

When Mind Maggots enters the battlefield, discard any number of creature cards. For each card discarded this way, put two +1/+1 counters on Mind Maggots.

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.

Mortuary Mire enters the battlefield tapped.

When Mortuary Mire enters the battlefield, you may put target creature card from your graveyard on top of your library.

{T}: Add {B}.

Protection from black

Threshold -- Nantuko Blightcutter gets +1/+1 for each black permanent your opponents control as long as seven or more cards are in your graveyard.

{T}: Add {C}{G}.

Sacrifice a creature: Nantuko Husk gets +2/+2 until end of turn.

{B}: Nantuko Shade gets +1/+1 until end of turn.

When Nantuko Tracer enters the battlefield, you may put target card from a graveyard on the bottom of its owner's library.

As Necroblossom Snarl enters the battlefield, you may reveal a Swamp or Forest card from your hand. If you don't, Necroblossom Snarl enters the battlefield tapped.

{T}: Add {B} or {G}.

Flying

Necrosquito enters the battlefield with two oil counters on it.

Necrosquito gets +1/+1 for each oil counter on it.

Whenever another creature or artifact you control is put into a graveyard from the battlefield, put an oil counter on Necrosquito.

At the beginning of combat on your turn, if you control another creature with power 4 or greater, put a +1/+1 counter on Nessian Hornbeetle.

{T}: Return two target cards from an opponent's graveyard to their hand. Destroy target artifact or enchantment.

Trample

Phantom Nantuko enters the battlefield with two +1/+1 counters on it.

If damage would be dealt to Phantom Nantuko, prevent that damage. Remove a +1/+1 counter from Phantom Nantuko.

{T}: Put a +1/+1 counter on Phantom Nantuko.

Flying

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

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

Whenever Plague Fiend deals combat damage to a creature, destroy that creature unless its controller pays {2}.

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

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

{B}: Skittering Heartstopper gains deathtouch until end of turn.

Flash

This spell can't be countered.

Reach, protection from blue

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.

Flying

Stirge can't block.

Blood Drain -- {1}{B}, Pay 1 life, Sacrifice Stirge: Draw a card.

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

({T}: Add {B}.)

Flying

Swarm of Bloodflies enters the battlefield with two +1/+1 counters on it.

Whenever another creature dies, put a +1/+1 counter on Swarm of Bloodflies.

{T}: Add {C}.

{T}: Add {B} or {G}. Activate only if you control a Swamp.

{T}: Add {B}.

Channel -- {3}{B}, Discard Takenuma, Abandoned Mire: Mill three cards, then return a creature or planeswalker card from your graveyard to your hand. This ability costs {1} less to activate for each legendary creature you control.

Temple of Malady enters the battlefield tapped.

When Temple of Malady enters the battlefield, scry 1.

{T}: Add {B} or {G}.

Thriving Grove enters the battlefield tapped.

As Thriving Grove enters the battlefield, choose a color other than green.

{T}: Add {G} or one mana of the chosen color.

Thriving Moor enters the battlefield tapped.

As Thriving Moor enters the battlefield, choose a color other than black.

{T}: Add {B} or one mana of the chosen color.

Tranquil Thicket enters the battlefield tapped.

{T}: Add {G}.

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

Flying

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

When Virus Beetle enters the battlefield, each opponent discards a card.

Flying

Whenever you cast a Bolas planeswalker spell, you may sacrifice Wasp of the Bitter End. If you do, destroy target creature.

Flying

Whenever Xantid Swarm attacks, defending player can't cast spells this turn.

Flying

{G}: Regenerate Yavimaya Gnats.

You may play lands and cast Insect spells from your graveyard.

Whenever another Insect you control dies, put it on the bottom of its owner's library, then mill two cards. (Put the top two cards of your library into your graveyard.)

{1}{B/G}: Target Insect gets +1/+0 and gains deathtouch until end of turn. ({B/G} can be paid with either {B} or {G}.)