Mountain

Crawling Infestation

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.

Bayou

Saber Ants

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

Skittering Heartstopper

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

Heart of Yavimaya

If this land would enter, sacrifice a Forest instead. If you do, put this land onto the battlefield. If you don't, put it into its owner's graveyard.
{T}: Add {G}.
{T}: Target creature gets +1/+1 until end of turn.

Foundry Hornet

Flying
When this creature enters, if you control a creature with a +1/+1 counter on it, creatures your opponents control get -1/-1 until end of turn.

Thornscape Familiar

Red spells and white spells you cast cost {1} less to cast.

Jagwasp Swarm

Ant Queen

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

Xira, the Golden Sting

Flying, haste
Whenever Xira attacks, put an egg counter on another target creature without an egg counter on it. When that creature dies, if it has an egg counter on it, draw a card and create a 1/1 black Insect creature token with flying.

Seedling Charm

Choose one —
• Return target Aura attached to a creature to its owner's hand.
• Regenerate target green creature.
• Target creature gains trample until end of turn.

Skin Shedder

Skin Invasion

Enchant creature
Enchanted creature attacks each combat if able.
When enchanted creature dies, return this card to the battlefield transformed under your control.

Skin Invasion // Skin Shedder

Badlands

Iridescent Hornbeetle

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.

Ebon Stronghold

This land enters tapped.
{T}: Add {B}.
{T}, Sacrifice this land: Add {B}{B}.

Venomous Dragonfly

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

Marker Beetles

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

Endless Cockroaches

When this creature dies, return it to its owner's hand.

Haywire Mite

When this creature dies, you gain 2 life.
{G}, Sacrifice this creature: Exile target noncreature artifact or noncreature enchantment.

Mind Maggots

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

Infested Roothold

Defender (This creature can't attack.)
Protection from artifacts
Whenever an opponent casts an artifact spell, you may create a 1/1 green Insect creature token.

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.)

Hornet Nest

Defender (This creature can't attack.)
Whenever this creature 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.)

Plague Fiend

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

Molting Skin

Return this enchantment to its owner's hand: Regenerate target creature.

Shocker

Whenever this creature deals damage to a player, that player discards all the cards in their hand, then draws that many cards.

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.

Stag Beetle

This creature enters with X +1/+1 counters on it, where X is the number of other creatures on the battlefield.

Beacon of Creation

Create a 1/1 green Insect creature token for each Forest you control. Shuffle Beacon of Creation into its owner's library.

Carrion Call

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.)

Bayou Dragonfly

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

Phyrexian Swarmlord

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.

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.

Deadly Insect

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

Search for Blex

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.

Blex, Vexing Pest

Other Pests, Bats, Insects, Snakes, and Spiders you control get +1/+1.
When Blex dies, you gain 4 life.

Blex, Vexing Pest // Search for Blex

Fog of Gnats

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.

Lake of the Dead

If this land would enter, sacrifice a Swamp instead. If you do, put this land onto the battlefield. If you don't, put it into its owner's graveyard.
{T}: Add {B}.
{T}, Sacrifice a Swamp: Add {B}{B}{B}{B}.

Spire Mangler

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

Highland Weald

This land enters tapped.
{T}: Add {R} or {G}.

Yavimaya Hollow

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

Fumulus, the Infestation

Flying, deathtouch
Whenever a player sacrifices a nontoken creature, create a 1/1 black Insect creature token with flying.
Whenever an Insect, Leech, Slug, or Worm you control attacks, defending player loses 1 life and you gain 1 life.

Broken Fall

Mortipede

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

Vitality Charm

Choose one —
• Create a 1/1 green Insect creature token.
• Target creature gets +1/+1 and gains trample until end of turn.
• Regenerate target Beast.

Bond Beetle

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

Sol Ring

Robber Fly

Flying
Whenever this creature becomes blocked, defending player discards all the cards in their hand, then draws that many cards.

Nest of Scarabs

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

Back to Nature

Balduvian Trading Post

If this land would enter, sacrifice an untapped Mountain instead. If you do, put this land onto the battlefield. If you don't, put it into its owner's graveyard.
{T}: Add {C}{R}.
{1}, {T}: This land deals 1 damage to target attacking creature.

Ironshell Beetle

Scorched Ruins

If this land would enter, sacrifice two untapped lands instead. If you do, put this land onto the battlefield. If you don't, put it into its owner's graveyard.
{T}: Add {C}{C}{C}{C}.

Hornet Queen

Flying, deathtouch
When this creature enters, create four 1/1 green Insect creature tokens with flying and deathtouch.

Gaea's Cradle

{T}: Add {G} for each creature you control.

Giant Ankheg

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}.

Restless Vents

This land enters tapped.
{T}: Add {B} or {R}.
{1}{B}{R}: Until end of turn, this land becomes a 2/3 black and red Insect creature with menace. It's still a land.
Whenever this land attacks, you may discard a card. If you do, draw a card.

Swarmyard

{T}: Add {C}.
{T}: Regenerate target Insect, Rat, Spider, or Squirrel. (The next time it would be destroyed this turn, instead tap it, remove it from combat, and heal all damage on it.)

Dwarven Ruins

This land enters tapped.
{T}: Add {R}.
{T}, Sacrifice this land: Add {R}{R}.

Quarry Beetle

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

Battlefly Swarm

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

Swamp

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.)

Breaking Point

Any player may have Breaking Point deal 6 damage to them. If no one does, destroy all creatures. Creatures destroyed this way can't be regenerated.

Eumidian Hatchery

{T}, Pay 1 life: Add {B}. Put a hatchling counter on this land.
When this land is put into a graveyard from the battlefield, for each hatchling counter on it, create a 1/1 black Insect creature token with flying.

Caustic Wasps

Flying
Whenever this creature deals combat damage to a player, you may destroy target artifact that player controls.

Yavimaya Ants

Trample, haste
Cumulative upkeep {G}{G} (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.)

Twigwalker

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

Yavimaya Gnats

Szarel, Genesis Shepherd

Flying
You may play lands from your graveyard.
Whenever you sacrifice another nontoken permanent during your turn, put a number of +1/+1 counters equal to Szarel's power on up to one other target creature.

Taiga

Fade from History

Each player who controls an artifact or enchantment creates a 2/2 green Bear creature token. Then destroy all artifacts and enchantments.

Tresserhorn Sinks

This land enters tapped.
{T}: Add {B} or {R}.

Fire Ants

{T}: This creature deals 1 damage to each other creature without flying.

Nantuko Mentor

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

Goliath Beetle

Blastfire Bolt

Blastfire Bolt deals 5 damage to target creature. Destroy all Equipment attached to that creature.

Lotus Vale

If this land would enter, sacrifice two untapped lands instead. If you do, put this land onto the battlefield. If you don't, put it into its owner's graveyard.
{T}: Add three mana of any one color.

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.)

Dragonlair Spider

Reach
Whenever an opponent casts a spell, create a 1/1 green Insect creature token.

Locust Swarm

Flying
{G}: Regenerate this creature.
{G}: Untap this creature. Activate only once each turn.

Forest

Scute Swarm

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

Living Hive

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

Golgari Keyrune

{T}: Add {B} or {G}.
{B}{G}: This artifact becomes a 2/2 black and green Insect artifact creature with deathtouch until end of turn.