Titan of Earth

+2: Put a -1/-1 counter on target creature, it gains +3/+3 until end of turn.
-4: Each player chooses 1: put a -1/-1 counter on two creatures they control, or sacrifice a creature without a -1/-1 counter on it.
-12: Destroy each creature with -1/-1 counter on them, creatures gain +1/+1 for each one destroyed this way until end of turn.