Drownyard Amalgam is a common Creature — Zombie Horror card from Innistrad: Double Feature (DBL), collector number 50. Current market price: $0.28 (foil $0.38), TCGplayer market prices via Scryfall.
When this creature enters, target player mills three cards. (They put the top three cards of their library into their graveyard.) {2}{U}: This creature can't be blocked this turn.