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.)

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.

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

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.

Intimidate (This creature can't be blocked except by artifact creatures and/or creatures that share a color with it.) Sacrifice Brain Weevil: Target player discards two cards. Activate only as a sorcery.

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.

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.

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.)

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

{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.)

{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.

Whenever Chainflail Centipede or equipped creature attacks, it gets +2/+0 until end of turn. Reconfigure {2} ({2}: Attach to target creature you control; or unattach from a creature. Reconfigure only as a sorcery. While attached, this isn't a creature.)

When Circuit Mender enters the battlefield, you gain 2 life. When Circuit Mender leaves the battlefield, draw a card.

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.

Vanishing 3 (This creature enters the battlefield with three time counters on it. At the beginning of your upkeep, remove a time counter from it. When the last is removed, sacrifice it.) When Deadly Grub dies, if it had no time counters on it, create a 6/1 green Insect creature token with shroud. (It can't be the target of spells or abilities.)

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

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

{4}{B}: Return Durable Coilbug from your graveyard to your hand.

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.

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

Ferropede can't be blocked. Whenever Ferropede deals combat damage to a player, you may remove a counter from target permanent.

Flying {B}: Regenerate Fog of Gnats.

Fretwork Colony can't block. At the beginning of your upkeep, put a +1/+1 counter on Fretwork Colony and you lose 1 life.

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, you may cast it without paying its mana cost. It has haste.)

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.)

{2}, Exile Halo Scarab from your graveyard: Create a Treasure token. (It's an artifact with "{T}, Sacrifice this artifact: Add one mana of any color.")

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.)

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

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

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.

Deathtouch

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

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.)

Trample When Moldgraf Monstrosity dies, exile it, then return two creature cards at random from your graveyard to the battlefield.

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

{2}{G}: All creatures able to block Mortipede this turn do so.

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

Sacrifice a creature: Nantuko Husk gets +2/+2 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.

Morph {1}{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.) When Nantuko Vigilante is turned face up, destroy target artifact or enchantment.

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.

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.

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.

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

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

{B}: Prakhata Pillar-Bug gains lifelink until end of turn. (Damage dealt by this creature also causes you to gain that much life.)

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

You may choose not to untap Rust Tick during your untap step. {1}, {T}: Tap target artifact. It doesn't untap during its controller's untap step for as long as Rust Tick remains tapped.

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.

Landfall — Whenever a land enters the battlefield under your control, create a 1/1 green Insect creature token. If you control six or more lands, create a token that's a copy of Scute Swarm instead.

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

Flash This spell can't be countered. Reach, protection from blue

When Spinal Centipede dies, put a +1/+1 counter on target creature you control.

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.

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.)

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.

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

{1}{G}, Sacrifice Twigwalker: Two target creatures each get +2/+2 until end of turn.

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

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.)

Dakmor Salvage enters the battlefield tapped. {T}: Add {B}. Dredge 2 (If you would draw a card, you may mill two cards instead. If you do, return this card from your graveyard to your hand.)

({T}: Add {G}.)

Flash Adaptive Shimmerer enters the battlefield with three +1/+1 counters on it.

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

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

Trample Whenever Giant Adephage deals combat damage to a player, create a token that's a copy of Giant Adephage.

{G}, {T}: Reveal cards from the top of your library until you reveal a basic land card. Put that card into your hand and all other cards revealed this way into your graveyard.

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

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.

Return up to three target land cards from your graveyard to your hand. Dredge 3 (If you would draw a card, you may mill three cards instead. If you do, return this card from your graveyard to your hand.)

Flying Whenever a player sacrifices another permanent, put a +1/+1 counter on each creature you control.

Whenever Rust Scarab becomes blocked, you may destroy target artifact or enchantment defending player controls.