Polukranos, World Eater [Theros]

Description

Set:	Theros
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.