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.)

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

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

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.

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

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.

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

When Circuit Mender leaves the battlefield, draw a card.

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

Trample

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

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.

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

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.

Trample

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

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

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.

({B/G} can be paid with either {B} or {G}.)

Trample

At the beginning of your end step, return to your hand all creature cards in your graveyard that were put there from the battlefield this turn.

{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.")

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.

Emerge {6}{G} (You may cast this spell by sacrificing a creature and paying the emerge cost reduced by that creature's mana value.)

When you cast this spell, create two 1/1 green Insect creature tokens.

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.

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.

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

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

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.

When Nantuko Cultivator enters the battlefield, you may discard any number of land cards. Put that many +1/+1 counters on Nantuko Cultivator and draw that many cards.

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

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

{2}{G}, {T}: Target creature gets +X/+X until end of turn, where X is that creature's power.

When Nantuko Shaman enters the battlefield, if you control no tapped lands, draw a card.

Suspend 1--{2}{G}{G} (Rather than cast this card from your hand, you may pay {2}{G}{G} and exile it with a time counter 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.)

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

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

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

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

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.

{G}, {T}: Target creature gets +5/+5 until end of turn.

Flying

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

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}.)