Nyxborn Behemoth is a rare Enchantment Creature — Beast card from Commander Masters (CMM), collector number 742. Current market price: $1.35, TCGplayer market prices via Scryfall.
This spell costs {X} less to cast, where X is the total mana value of noncreature enchantments you control. Trample {1}{G}, Sacrifice another enchantment: This creature gains indestructible until end of turn.