Utrom Scientists

When this creature enters, tap up to one target creature and put a stun counter on it. (If a permanent with a stun counter would become untapped, remove one from it instead.)

Anchovy & Banana Pizza

When this artifact enters, destroy target creature.
{2}, {T}, Sacrifice this artifact: You gain 3 life.

Armaggon, Future Shark

Flash
When Armaggon enters, destroy up to three target creatures.

Bebop, Warthog Warrior

Menace (This creature can't be blocked except by two or more creatures.)
Rhinos you control have menace.
Swampcycling {2} ({2}, Discard this card: Search your library for a Swamp card, reveal it, put it into your hand, then shuffle.)

Featherbrained Filcher

Food

Flying
When this creature leaves the battlefield, create a Food token. (It's an artifact with "{2}, {T}, Sacrifice this token: You gain 3 life.")

Copy

The Cloning of Shredder

(As this Saga enters and after your draw step, add a lore counter. Sacrifice after III.)
I — Exile target creature card from your graveyard. Create a token that's a copy of it, except it isn't legendary and is a Mutant in addition to its other types.
II, III — Create a token that's a copy of a card exiled with this Saga, except it isn't legendary and is a Mutant in addition to its other types.

Death in the Family

Exile target creature with mana value 3 or less.

Dream Beavers

Flying
When this creature enters, each opponent loses 1 life and you gain 1 life. Scry 1. (Look at the top card of your library. You may put that card on the bottom.)

Foot Mystic

Ninja

Lifelink
Disappear — When this creature enters, if a permanent left the battlefield under your control this turn, create a 1/1 black Ninja creature token.

Insectoid Exterminator

Flying
Disappear — At the beginning of your end step, if a permanent left the battlefield under your control this turn, scry 1. (Look at the top card of your library. You may put that card on the bottom.)

Lord Dregg, Insect Invader

Insect Warrior

Flying
Disappear — At the beginning of your end step, if a permanent left the battlefield under your control this turn, create a 1/1 black Insect Warrior creature token with flying.
{3}{G}, Sacrifice a token: Draw a card.

Madame Null, Power Broker

Deathtouch
Whenever another creature you control enters, you may pay life equal to its power. If you do, put that many +1/+1 counters on it.

Ninja Teen

(Gain the next level as a sorcery to add its ability.)
Whenever a creature you control leaves the battlefield, each opponent loses 1 life.
{1}{B}: Level 2
Creatures you control get +1/+0 and have menace.
{B}: Level 3
Creature cards in your graveyard have sneak {3}{B}.
You may cast creature spells from your graveyard using their sneak abilities.

Oroku Saki, Shredder Rising

Sneak {1}{B} (You may cast this spell for {1}{B} if you also return an unblocked attacker you control to hand during the declare blockers step. He enters tapped and attacking.)
Whenever Oroku Saki deals combat damage to a player, you draw a card and lose 1 life.

Pain 101

Until end of turn, target creature gains deathtouch and "When this creature dies, return it to the battlefield tapped under its owner's control."

Grounded for Life

This spell costs {3} less to cast if it targets a tapped creature.
Destroy target creature.

Teenage Mutant Ninja Turtles