TMNT

When this creature enters, create a Mutagen token. (It's an artifact with "{1}, {T}, Sacrifice this token: Put a +1/+1 counter on target creature. ...

Deathtouch Disappear — This creature enters with two +1/+1 counters on it if a permanent left the battlefield under your control this turn.

Ward {3} (Whenever this creature becomes the target of a spell or ability an opponent controls, counter it unless that player pays {3}.)

When this creature enters, return up to one other target artifact you control to its owner's hand. Scry 1. (Look at the top card of your library. Y...

This creature can't attack unless you control another artifact.

When this creature enters, create a 1/1 colorless Robot artifact creature token.

{2}, Sacrifice another creature or token: Draw a card. Activate only as a sorcery. {2}, {T}, Sacrifice this creature: You gain 3 life.

Sneak {3}{W/B} (You may cast this spell for {3}{W/B} if you also return an unblocked attacker you control to hand during the declare blockers step....

Whenever this creature attacks, another target creature you control gets +1/+0 and gains indestructible until end of turn. (Damage and effects that...

Alliance — Whenever another creature you control enters, put a +1/+1 counter on this creature.

When this creature leaves the battlefield, create a Mutagen token. (It's an artifact with "{1}, {T}, Sacrifice this token: Put a +1/+1 counter on t...

Target creature you control deals damage equal to its power to target creature an opponent controls.

Rocksteady can't be blocked by more than one creature. Boars you control can't be blocked by more than one creature. Forestcycling {2} ({2}, Discar...

Disappear — At the beginning of your end step, if a permanent left the battlefield under your control this turn, put a +1/+1 counter on Michelangelo.

Flash When this artifact enters, target creature gets +2/+2 until end of turn. Untap it. {2}, {T}, Sacrifice this artifact: You gain 3 life.

Reach, trample When Zog enters, target creature can't block this turn. Mountaincycling {2} ({2}, Discard this card: Search your library for a Mount...

When this creature enters, destroy up to one target noncreature artifact.

{T}: Add {R}. Spend this mana only to cast an artifact spell or to activate an ability.

When Jennika enters, create a 2/2 red Mutant creature token. Plainscycling {2} ({2}, Discard this card: Search your library for a Plains card, reve...

When Jennika enters, create a 2/2 red Mutant creature token. Plainscycling {2} ({2}, Discard this card: Search your library for a Plains card, reve...

Vigilance Channel — {6}, Discard this card: Put a +1/+1 counter on each creature you control. Draw a card.

{1}, {T}, Sacrifice this token: Put a +1/+1 counter on target creature. Activate only as a sorcery.