Kain, Traitorous Dragoon is a rare Legendary Creature — Human Knight card from Final Fantasy Promos (PFIN), collector number 105s. Current market price: — (foil $5.68), TCGplayer market prices via Scryfall.
Jump — During your turn, Kain has flying. Whenever Kain deals combat damage to a player, that player gains control of Kain. If they do, you draw that many cards, create that many tapped Treasure tokens, then lose that much life.