Master Splinter

+1: All Mutants you control gain +1/+1 and Trample until of turn.
-3: Search your library for a Mutant, Ninja, Turtle, or Equipment. Reveal that card and put it into your hand. Shuffle your library.
-7: Search your library and graveyard for all Mutants, Ninjas, and Turtles and put them onto the battlefield.