The Destined Warrior is a rare Legendary Creature — Human Warrior card from Final Fantasy Commander (FIC), collector number 443. Current market price: $4.02 (foil $2.10), TCGplayer market prices via Scryfall.
First strike, vigilance, menace Cleric, Rogue, Warrior, and Wizard spells you cast cost {1} less to cast. At the beginning of combat on your turn, creatures you control get +1/+0 until end of turn. If you have a full party, creatures you control get +3/+0 until end of turn instead.