Magnivore is a rare Creature — Lhurgoyf card from Odyssey (ODY), collector number 204. Current market price: $2.97 (foil $29.91), TCGplayer market prices via Scryfall.
Haste (This creature can attack and {T} as soon as it comes under your control.) Magnivore's power and toughness are each equal to the number of sorcery cards in all graveyards.