Polukranos, World Eater [Duel Decks: Heroes vs. Monsters] Prismatic Secret Rare and their monster's effects are

and their monster's effects are negated

Enchanted creature has flying

Set: Structure Deck: Realm of the Sea Emperor Card type: Effect Monster Rarity: Super Rare Attack: 1800 Defense: 0 All Level 3 or lower Sea Serpent-Type monsters you control can attack your opponent directly

Set: Commander Anthology Type: Instant Rarity: Common Cost: {B}{G} Reveal the top five cards of your library

Polukranos, World Eater [Duel Decks: Heroes vs. Monsters] Prismatic Secret Rare and their monster's effects areSet: 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.