Bartz and Boko is a rare Legendary Creature — Human Bird card from Final Fantasy Promos (PFIN), collector number 175s. Current market price: — (foil $4.68), TCGplayer market prices via Scryfall.
Affinity for Birds (This spell costs {1} less to cast for each Bird you control.) When Bartz and Boko enters, each other Bird you control deals damage equal to its power to target creature an opponent controls.