Mutagen

Splinter, the Mentor

Menace
Whenever Splinter or another nontoken creature you control leaves the battlefield, create a Mutagen token.
Partner—Character select (You can have two commanders if both have this ability.)

The Rat King's subjects are everywhere you don't want to be.

Tunnel Rats

{4}{B}: Return this card from your graveyard to the battlefield tapped.

Splinter, Hamato Yoshi

Sneak {B} (You may cast this spell for {B} if you also return an unblocked attacker you control to hand during the declare blockers step. He enters tapped and attacking.)
Menace (This creature can't be blocked except by two or more creatures.)
Other Ninjas you control get +1/+1.

Rat King, Verminister

Disappear — At the beginning of your end step, if a permanent left the battlefield under your control this turn, create a 1/1 black Rat creature token and put a +1/+1 counter on Rat King.
{T}, Sacrifice three Rats: Return target creature card and all other cards with the same name as that card from your graveyard to the battlefield tapped.

Ogre Slumlord

Revenge of the Rats

Marrow-Gnawer

Mad Ratter

Chittering Witch

Piper of the Swarm

Lab Rats

Rat King, Pale Piper

Big Apple, 3 a.m.

Plague of Vermin

Ashcoat of the Shadow Swarm

Whenever Ashcoat attacks or blocks, other Rats you control get +X/+X until end of turn, where X is the number of Rats you control.
At the beginning of your end step, you may mill four cards. If you do, return up to two Rat creature cards from your graveyard to your hand. (To mill a card, put the top card of your library into your graveyard.)

"You have corrupted my teachings. Now you will pay for your crimes."

Splinter, Radical Rat

If an ability of a Ninja creature you control triggers, that ability triggers an additional time.
{1}{U}: Target Ninja can't be blocked this turn.

"Every chessboard requires pawns. Tonight, my pawn, I'll find out just how strong you are."

Menace
Whenever Rat King or another nontoken creature you control leaves the battlefield, create a 1/1 black Rat creature token.
{2}, Sacrifice a token: Draw a card.

"The first rule of the ninja is 'do no harm.' Unless you need to do harm. Then do lots of harm!"

Once every decade, Splinter returns to the Battle Nexus. He fights not for glory, but to honor an old friend.

Splinter, Aging Champion

When Splinter enters, destroy up to one target tapped creature.
When Splinter leaves the battlefield, you and another target player each draw a card.

Mutant

Splinter & Leo, Father & Son

When Splinter & Leo enter, choose one or both. Each mode must target a different player.
• Target player creates a 2/2 red Mutant creature token.
• Put a +1/+1 counter on each other creature target player controls.

Ink-Eyes, Servant of Oni

Ninjutsu {3}{B}{B} ({3}{B}{B}, Return an unblocked attacker you control to hand: Put this card onto the battlefield from your hand tapped and attacking.)
Whenever Ink-Eyes deals combat damage to a player, you may put target creature card from that player's graveyard onto the battlefield under your control.
{1}{B}: Regenerate Ink-Eyes.

Throat Slitter

Ninjutsu {2}{B} ({2}{B}, Return an unblocked attacker you control to hand: Put this card onto the battlefield from your hand tapped and attacking.)
Whenever this creature deals combat damage to a player, destroy target nonblack creature that player controls.

"The rats that scurried across the floor of my cage were nothing more than skins filled with liquid."
—Hama

Elephant-Rat

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

Pack Rat

Copy

Rats carry disease—it's why they get such sick pulls.

Pack Rat's power and toughness are each equal to the number of Rats you control.
{2}{B}, Discard a card: Create a token that's a copy of this creature.

"We live not to forget our past, but to learn from it!"

Freya Crescent

Jump — During your turn, Freya Crescent has flying.
{T}: Add {R}. Spend this mana only to cast an Equipment spell or activate an equip ability.

Treasure

Undercity Dire Rat

"I finally worked out how to get the door on the left side open! I hope there's somethin' in there besides rats..."
—Kytes, street urchin

Rat Tail — When this creature dies, create a Treasure token. (It's an artifact with "{T}, Sacrifice this token: Add one mana of any color.")

In a land of undeath, permanent pest control solutions are few and far between.

Engine Rat

Deathtouch
{5}{B}: Each opponent loses 2 life.

Nashi, Searcher in the Dark

Menace
Whenever Nashi deals combat damage to a player, you mill that many cards. You may put any number of legendary and/or enchantment cards from among them into your hand. If you put no cards into your hand this way, put a +1/+1 counter on Nashi.

Innocuous Rat

Manifest

When this creature dies, manifest dread. (Look at the top two cards of your library. Put one onto the battlefield face down as a 2/2 creature and the other into your graveyard. Turn it face up any time for its mana cost if it's a creature card.)

Relentless Rats

This creature gets +1/+1 for each other creature on the battlefield named Relentless Rats.
A deck can have any number of cards named Relentless Rats.

Bottom feeders sometimes rise to the top.

Chittering Rats

When this creature enters, target opponent puts a card from their hand on top of their library.

"Should we act now or later?" the rat asked. "Both," whispered the squirrel.

Daggerfang Duo

Deathtouch
When this creature enters, you may mill two cards. (You may put the top two cards of your library into your graveyard.)

They don't follow orders. They follow him.

All Rats have fear.
{T}, Sacrifice a Rat: Create X 1/1 black Rat creature tokens, where X is the number of Rats you control.

Many rats have found their minds while lost in the mud-slicked gyre of a snail shell.

Thought Shucker

Threshold — {1}{U}: Put a +1/+1 counter on this creature and draw a card. Activate only if there are seven or more cards in your graveyard and only once.

A water skimmer's ability to sense danger in the slightest ripple makes them a prized companion for Long River trawlers.

Shoreline Looter

This creature can't be blocked.
Threshold — Whenever this creature deals combat damage to a player, draw a card. Then discard a card unless there are seven or more cards in your graveyard.

He etches his secrets onto the shimmering shells of mussels, saving them to share with the Great Snail.

Nightwhorl Hermit

Vigilance
Threshold — As long as there are seven or more cards in your graveyard, this creature gets +1/+0 and can't be blocked.

Mindwhisker

At the beginning of your upkeep, surveil 1. (Look at the top card of your library. You may put it into your graveyard.)
Threshold — As long as there are seven or more cards in your graveyard, creatures your opponents control get -1/-0.

Each of them is a bad influence on the rest.

For every five you see, there are fifty you don't.

Rat Colony

This creature gets +1/+0 for each other Rat you control.
A deck can have any number of cards named Rat Colony.

"Lightning and snail as one!" cried the rat. "It's so beautiful!" the otter gasped in awe.

Lightshell Duo

Prowess (Whenever you cast a noncreature spell, this creature gets +1/+1 until end of turn.)
When this creature enters, surveil 2. (Look at the top two cards of your library, then put any number of them into your graveyard and the rest on top of your library in any order.)

Tax Taker

Whenever an opponent pays a tax from a spell or permanent you control, create a number of Treasure tokens equal to the amount of mana they paid. (This happens each time a spell you control or an ability of a permanent you control causes an opponent to pay extra mana. Cards that can tax opponents include Mana Tithe, Esper Sentinel, and Ghostly Prison.)

Azure Beastbinder

Vigilance
This creature can't be blocked by creatures with power 2 or greater.
Whenever this creature attacks, up to one target artifact, creature, or planeswalker an opponent controls loses all abilities until your next turn. If it's a creature, it also has base power and toughness 2/2 until your next turn.

Vren, the Relentless

Ward {2}
If a creature an opponent controls would die, exile it instead.
At the beginning of each end step, create X 1/1 black Rat creature tokens with "This token gets +1/+1 for each other Rat you control," where X is the number of creatures that were exiled under your opponents' control this turn.

Snail

Wick, the Whorled Mind

Whenever Wick or another Rat you control enters, create a 1/1 black Snail creature token if you don't control a Snail. Otherwise, put a +1/+1 counter on a Snail you control.
{U}{B}{R}, Sacrifice a Snail: Wick deals damage equal to the sacrificed creature's power to each opponent. Then draw cards equal to the sacrificed creature's power.

"The same tides that bring us knowledge can sweep us away."

Tidecaller Mentor

Menace
Threshold — When this creature enters, if there are seven or more cards in your graveyard, return up to one target nonland permanent to its owner's hand.

"If only you kept your secrets somewhere more secure than your delicate little skull."

Mind Drill Assailant

Threshold — As long as there are seven or more cards in your graveyard, this creature gets +3/+0.
{2}{U/B}: Surveil 1. (Look at the top card of your library. You may put it into your graveyard.)

Insatiable Frugivore

Food

When this creature enters, create a Food token, then you may exile three cards from your graveyard. If you do, repeat this process.
{3}{B}, Sacrifice X Foods: Creatures you control get +X/+0 and gain menace until end of turn.

Thornplate Intimidator

When this creature enters, target opponent loses 3 life unless they sacrifice a nonland permanent or discard a card.
(This token's mana cost is {3}{B}.)

This creature gets +1/+1 for each other Rat you control.

"What a hideous creature! And the worm's no looker either."
—Grumble, rival marshstalker

Wick's Patrol

When this creature enters, mill three cards. When you do, target creature an opponent controls gets -X/-X until end of turn, where X is the greatest mana value among cards in your graveyard.

Offspring {3} (You may pay an additional {3} as you cast this spell. If you do, when this creature enters, create a 1/1 token copy of it.)
When this creature enters, target opponent loses 3 life unless they sacrifice a nonland permanent of their choice or discard a card.

Persistent Marshstalker

This creature gets +1/+0 for each other Rat you control.
Threshold — Whenever you attack with one or more Rats, if there are seven or more cards in your graveyard, you may pay {2}{B}. If you do, return this card from your graveyard to the battlefield tapped and attacking.

If you provoke them, they grow malicious.

Genku, Future Shaper

When her beloved pet died, the artificer turned to necromancy.

Refurbished Familiar

Affinity for artifacts (This spell costs {1} less to cast for each artifact you control.)
Flying
When this creature enters, each opponent discards a card. For each opponent who can't, you draw a card.

Greasefang, Okiba Boss

At the beginning of combat on your turn, return target Vehicle card from your graveyard to the battlefield. It gains haste. Return it to its owner's hand at the beginning of your next end step.

Nezumi Linkbreaker

Mercenary

"If they want to get to Prosperity so badly, they can walk there."

When this creature dies, create a 1/1 red Mercenary creature token with "{T}: Target creature you control gets +1/+0 until end of turn. Activate only as a sorcery."

Ruthless Radrat

Squad—Exile four cards from your graveyard. (As an additional cost to cast this spell, you may pay its squad cost any number of times. When this creature enters, create that many tokens that are copies of it.)
Menace (This creature can't be blocked except by two or more creatures.)

Impressive Rat

When Impressive Rat dies, put a hole counter on target land you don't control. Whenever that land becomes tapped, you investigate. (The land continues to intrigue.)

If you exalt them, they grow splendiferous.

If you embolden them, they grow ambitious.

"Rodents of Unusual Size? I don't think they exist."
—Westley

Lord Skitter's Butcher

When this creature enters, choose one —
• Create a 1/1 black Rat creature token with "This token can't block."
• You may sacrifice another creature. If you do, scry 2, then draw a card.
• Creatures you control gain menace until end of turn.

Lord Skitter, Sewer King

Whenever another Rat you control enters, exile up to one target card from an opponent's graveyard.
At the beginning of combat on your turn, create a 1/1 black Rat creature token with "This token can't block."

Gnawing Crescendo

Rat Out

Tangled Colony

Ogre Chitterlord

Song of Totentanz

Experimental Confectioner

Voracious Vermin

Twisted Sewer-Witch

Warehouse Tabby

Redcap Gutter-Dweller

Totentanz, Swarm Piper

Harried Spearguard

Ratcatcher Trainee // Pest Problem

Edgewall Pack

This creature can't block.
When this creature dies, create X 1/1 black Rat creature tokens with "This token can't block," where X is the amount of damage dealt to it this turn.

Old Flitterfang

Flying
At the beginning of each end step, if a creature died this turn, create a Food token. (It's an artifact with "{2}, {T}, Sacrifice this token: You gain 3 life.")
{2}{B}, Sacrifice another creature or artifact: Old Flitterfang gets +2/+2 until end of turn.

Lord Skitter promised the starving rats of Edgewall that they would never go hungry again.

When this creature enters, create a 1/1 black Rat creature token with "This token can't block."
Whenever another creature you control dies, put a +1/+1 counter on this creature.

If you nourish them, they grow calamitous.

Nashi, Moon's Legacy

Menace, ward {1}
Whenever Nashi attacks, exile up to one target legendary or Rat card from your graveyard and copy it. You may cast the copy. (You still pay its costs. A copy of a permanent spell becomes a token.)

"Tell Boss Umezawa there's a new gang moving in on our territory. I'm forwarding their insignia. Watch for it elsewhere."

Nezumi Informant

When this creature enters, each opponent discards a card.

Poison Counter

Karumonix, the Rat King

Toxic 1 (Players dealt combat damage by this creature also get a poison counter.)
Other Rats you control have toxic 1.
When Karumonix enters, look at the top five cards of your library. You may reveal any number of Rat cards from among them and put the revealed cards into your hand. Put the rest on the bottom of your library in a random order.

What cannot be remade will be unmade, one scrap at a time.

Chittering Skitterling

Corrupted — Sacrifice an artifact or creature: Draw a card. Activate only if an opponent has three or more poison counters and only once each turn.

Blightbelly Rat

Toxic 1 (Players dealt combat damage by this creature also get a poison counter.)
When this creature dies, proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)

You know you've ventured too deep when the rats stop running and hold their ground.

Ossuary Rats

When this creature enters, it deals X damage to target creature or planeswalker an opponent controls, where X is the number of creature cards in your graveyard.

"The old ways still work, but a little tech support never hurts."

Nezumi Bone-Reader

{B}, Sacrifice a creature: Target player discards a card. Activate only as a sorcery.

"Everyone warns about the sand and the food, but the rats are worse than both put together!"
—Sanwell, letter to his family

Gnawing Vermin

When this creature enters, target player mills two cards.
When this creature dies, target creature you don't control gets -1/-1 until end of turn.

Nashi, Moon Sage's Scion

A-Nashi, Moon Sage's Scion

Ninjutsu {3}{B} ({3}{B}, Return an unblocked attacker you control to hand: Put this card onto the battlefield from your hand tapped and attacking.)
Whenever Nashi deals combat damage to a player, exile the top card of each player's library. Until end of turn, you may play one of those cards. If you cast a spell this way, pay life equal to its mana value rather than paying its mana cost.

While the gremlin, beeble, and squirrel infestations wreaked havoc on the park, Roxi was able to spin the numerous rat colonies as a "robust recycling program."

Rat in the Hat

{T}, Sacrifice this creature: Until end of turn, you may cast target creature card that has a hat from your graveyard.

Wave of Rats

Trample
When this creature dies, if it dealt combat damage to a player this turn, return it to the battlefield under its owner's control.
Blitz {4}{B} (If you cast this spell for its blitz cost, it gains haste and "When this creature dies, draw a card." Sacrifice it at the beginning of the next end step.)

Silver-Fur Master

A-Silver-Fur Master

Ninjutsu {U}{B} ({U}{B}, Return an unblocked attacker you control to hand: Put this card onto the battlefield from your hand tapped and attacking.)
Ninjutsu abilities you activate cost {1} less to activate.
Other Ninja and Rogue creatures you control get +1/+1.

Rat Rogue

Tribute to Horobi // Echo of Death's Wail

Nezumi Prowler

A-Nezumi Prowler

Ninjutsu {1}{B} ({1}{B}, Return an unblocked attacker you control to hand: Put this card onto the battlefield from your hand tapped and attacking.)
When this creature enters, target creature you control gains deathtouch and lifelink until end of turn.

Mukotai Ambusher

Ninjutsu {1}{B} ({1}{B}, Return an unblocked attacker you control to hand: Put this card onto the battlefield from your hand tapped and attacking.)
Lifelink

Nezumi Bladeblesser

This creature has deathtouch as long as you control an artifact.
This creature has menace as long as you control an enchantment. (It can't be blocked except by two or more creatures.)

It's hard to say which is more deadly: her bike or her bite.

"It's not one or the other, kami or technology. Both offer power. I will not limit myself."

The Rats ofMagic the Gathering

Splinter, the Mentor

Teenage Mutant Ninja Turtles Eternal

Tunnel Rats

Teenage Mutant Ninja Turtles

Splinter, Hamato Yoshi

Teenage Mutant Ninja Turtles

Rat King, Verminister

Teenage Mutant Ninja Turtles

Rat

Teenage Mutant Ninja Turtles Tokens

Ashcoat of the Shadow Swarm

Teenage Mutant Ninja Turtles Source Material

Splinter, the Mentor

Teenage Mutant Ninja Turtles Eternal

Splinter, Radical Rat

Teenage Mutant Ninja Turtles

Rat King, Pale Piper

Teenage Mutant Ninja Turtles Eternal

Splinter, Radical Rat

Teenage Mutant Ninja Turtles

Splinter, Aging Champion

Teenage Mutant Ninja Turtles Eternal

Splinter & Leo, Father & Son

Teenage Mutant Ninja Turtles Eternal