Dehaka

+1: Put a +1/+1 counter on Dehaka. Dehaka becomes a 0/0 creature with Lifelink and Trample until end of turn.
-2: Place 3 +1/+1 counters on Dehaka. You lose 3 life.
-X: Dehaka becomes an X/X creature with Lifelink and Trample until end of turn.