Craterhoof Behemoth is a mythic Creature — Beast card from Modern Masters 2017 (MM3), collector number 122. Current market price: $28.48 (foil $23.61), TCGplayer market prices via Scryfall.
Haste When this creature enters, creatures you control gain trample and get +X/+X until end of turn, where X is the number of creatures you control.