Drownyard Behemoth is a uncommon Creature — Eldrazi Crab card from Shadows over Innistrad Remastered (SIR), collector number 4.
Flash (You may cast this spell any time you could cast an instant.) Emerge {7}{U} (You may cast this spell by sacrificing a creature and paying the emerge cost reduced by that creature's mana value.) This creature has hexproof as long as it entered this turn.