Azan, The Heartless

+2: Creatures you control gain Heartless for two turns (Creatures become colourless and cannot have counters placed on them).
0: Until end of turn, Azan becomes a 6/6 Demon Warrior with Heartless and Lifelink.
-12: Players must sacrifice all creatures without Heartless. They cannot be regenerated. For each creature destroyed this way the owner loses 1 life.