Polukranos, World Eater [Duel Decks: Heroes vs. Monsters] Prismatic Secret Rare you may reveal the top

you may reveal the top four cards of your library

●Activate only when a Spirit monster is face-up on your opponent's side of the field

For each creature you control of the chosen type

This card cannot be destroyed by battle

You cannot Special Summon monsters the turn you activate this effect

Polukranos, World Eater [Duel Decks: Heroes vs. Monsters] Prismatic Secret Rare you may reveal the topSet: Duel Decks: Heroes vs. Monsters 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.