Brion Stoutarm is a rare Legendary Creature — Giant Warrior card from Secret Lair Drop (SLD), collector number 1450. Current market price: $17.74 (foil $18.53), 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.