Brion Stoutarm is a rare Legendary Creature — Giant Warrior card from Masters 25 (A25), collector number 200. Current market price: $0.82 (foil $3.32), TCGplayer market prices via Scryfall.
Lifelink {R}, {T}, Sacrifice another creature: Brion Stoutarm deals damage equal to the sacrificed creature's power to target player or planeswalker.