MenaceWhenever Don & Raph attack, the next noncreature spell you cast this turn has affinity for artifacts. (It costs less to cast for each artifact you control.)
This creature can't be blocked if an artifact entered the battlefield under your control this turn., Sacrifice this creature: Counter target spell that targets an artifact or creature you control.
Sneak (You may cast this spell for if you also return an unblocked attacker you control to hand during the declare blockers step.)Jennika's Technique deals 2 damage to each creature.
Ward You may look at the top card of your library any time.You may play lands and cast Mutant, Ninja, or Turtle spells from the top of your library. If you cast a creature spell this way, that creature enters with an additional +1/+1 counter on it.
Sneak First strikeWhenever Shark Shredder deals combat damage to a player, put up to one target creature card from that player's graveyard onto the battlefield under your control. It enters tapped and attacking that player.
Choose one or both —• Exile target creature you control, then return it to the battlefield under its owner's control.• Go Ninja Go deals damage equal to the greatest power among creatures you control to target creature an opponent controls.
Sneak (You may cast this spell for if you also return an unblocked attacker you control to hand during the declare blockers step. He enters tapped and attacking.)When Leonardo enters, if his sneak cost was paid, creatures you control get +2/+0 until end of turn.: Leonardo gains first strike until end of turn.