Garruk, Corrupted Stalker

0: When a creature or planeswalker with a prey counter on it enters the graveyard, it's controller loses 2 life.
+1: Put a prey counter on up to one creature or planeswalker. Create a 1/1 black Wolf token with deathtouch.
-2: -2: Destroy target creature or planeswalker with a prey counter.