Polukranos, World Eater [The List]

Set: The List Type: Legendary Creature — Hydra Rarity: Mythic Cost: {2}{G}{G} {X}{X}{G}: Monstrosity X. (If this creature isn't monstrous, put X +1/+1 counters on it and it becomes monstrous.)When Polukranos, World Eater becomes monstrous, it deals X damage divided as you choose among any number of target creatures your opponents control. Each of those creatures deals damage equal to its power to Polukranos.