Have

Halo Scarab

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

Arcbound Stinger

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

Swamp Mosquito

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

Acridian

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.)

Deadly Grub

Vanishing 3 (This creature enters 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 this creature 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.)

Mortipede

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

Caustic Caterpillar

{1}{G}, Sacrifice this creature: Destroy target artifact or enchantment.

Nantuko Shade

{B}: This creature gets +1/+1 until end of turn.

Skylasher

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

Stinging Cave Crawler

Deathtouch
Descend 4 — Whenever this creature attacks, if there are four or more permanent cards in your graveyard, you draw a card and you lose 1 life.

Infesting Radroach

Flying
This creature can't block.
Whenever this creature deals combat damage to a player, they get that many rad counters.
Whenever an opponent mills a nonland card, if this creature is in your graveyard, you may return it to your hand.

Plague Fiend

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

Jhoira's Toolbox

{2}: Regenerate target artifact creature.

Nantuko Shaman

When this creature enters, 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, you may cast it without paying its mana cost. It has haste.)

Nantuko Mentor

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

Brass Gnat

Flying
This creature doesn't untap during your untap step.
At the beginning of your upkeep, you may pay {1}. If you do, untap this creature.

Fretwork Colony

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

Devouring Swarm

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

Saber Ants

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

Brood of Cockroaches

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

Plague Beetle

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

Nantuko Husk

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

Duskshell Crawler

When this creature enters, put a +1/+1 counter on target creature.
Each creature you control with a +1/+1 counter on it has trample. (It can deal excess combat damage to the player or planeswalker it's attacking.)

Dune Beetle

Fog of Gnats

Jhoira's Timebug

{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.

Clockwork Beetle

This creature enters with two +1/+1 counters on it.
Whenever this creature attacks or blocks, remove a +1/+1 counter from it at end of combat.

Kraul Harpooner

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

Nantuko Elder

Swamp

Durable Coilbug

{4}{B}: Return this card from your graveyard to your hand.

Giant Mantis

Reach (This creature can block creatures with flying.)

Flesh Burrower

Deathtouch
Whenever this creature attacks, another target creature you control gains deathtouch until end of turn.

Ironshell Beetle

When this creature enters, put a +1/+1 counter on target creature.

Marker Beetles

When this creature dies, target creature gets +1/+1 until end of turn.
{2}, Sacrifice this creature: Draw a card.

Phantom Nantuko

Trample
This creature enters with two +1/+1 counters on it.
If damage would be dealt to this creature, prevent that damage. Remove a +1/+1 counter from this creature.
{T}: Put a +1/+1 counter on this creature.

Carrion Grub

This creature gets +X/+0, where X is the greatest power among creature cards in your graveyard.
When this creature enters, mill four cards. (Put the top four cards of your library into your graveyard.)

Bond Beetle

Giant Dustwasp

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.)

Kraul Whipcracker

Reach
When this creature enters, destroy target token an opponent controls.

Grist, the Hunger Tide

As long as Grist 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.

Bayou Dragonfly

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

Giant Ladybug

Reach
When this creature enters, you may search your library for a basic land card, reveal it, then shuffle and put that card on top.

Webstrike Elite

Reach
Cycling {X}{G}{G} ({X}{G}{G}, Discard this card: Draw a card.)
When you cycle this card, destroy up to one target artifact or enchantment with mana value X.

Skittering Heartstopper

{B}: This creature gains deathtouch until end of turn.

Nullmage Advocate

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

Kazandu Nectarpot

Landfall — Whenever a land you control enters, you gain 1 life.

Battlefly Swarm

Flying
{B}: This creature gains deathtouch until end of turn.

Nantuko Blightcutter

Protection from black
Threshold — This creature gets +1/+1 for each black permanent your opponents control as long as seven or more cards are in your graveyard.

Stirge

Flying
This creature can't block.
Blood Drain — {1}{B}, Pay 1 life, Sacrifice this creature: Draw a card.

Goliath Beetle

Coiling Woodworm

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

Molt Tender

{T}: Mill a card. (Put the top card of your library into your graveyard.)
{T}, Exile a card from your graveyard: Add one mana of any color.

Wasp of the Bitter End

Flying
Whenever you cast a Bolas planeswalker spell, you may sacrifice this creature. If you do, destroy target creature.

Forest

Jagwasp Swarm

Loam Larva

When this creature enters, you may search your library for a basic land card, reveal it, then shuffle and put that card on top.

Pestilent Syphoner

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

Emerald Dragonfly

Flying
{G}{G}: This creature gains first strike until end of turn.

Spinal Centipede

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

Chainflail Centipede

Whenever this creature 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.)

Kraul Stinger

Plague Stinger

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

Circuit Mender

When this creature enters, you gain 2 life.
When this creature leaves the battlefield, draw a card.

Virus Beetle

When this creature enters, each opponent discards a card.

Phyrexian Battleflies

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

Nessian Hornbeetle

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

Drudge Beetle

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.)

Kraul Warrior

{5}{G}: This creature gets +3/+3 until end of turn.

Nantuko Tracer

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

Dross Hopper

Sacrifice a creature: This creature gains flying until end of turn.

Prakhata Pillar-Bug

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

Broodhatch Nantuko

Whenever this creature 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.)

Bilious Skulldweller

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

Carrion Locust

Flying
When this creature enters, exile target card from an opponent's graveyard. If it was a creature card, that player loses 1 life.

Mortician Beetle

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

Carrion Beetles

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

Kraul Raider

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

Pincher Beetles

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

Blister Beetle

When this creature enters, target creature gets -1/-1 until end of turn.

Blightbeetle

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.

Spire Mangler

Flash
Flying
When this creature enters, target creature you control with flying gets +2/+0 until end of turn.