Tommy, Rita's Chosen

+1: Create a 1/1 black Wolf creature token with deathtouch.
-1: Sacrifice a creature. If you do, search your library for a creature card, reveal it, put it into your hand. Then shuffle your library.
-3: Creatures you control gain trample and gain +X/+X until end of turn, where X is the number of creature cards in your graveyard.