The Fire Crystal is a rare Legendary Artifact card from Final Fantasy Promos (PFIN), collector number 135s. Current market price: — (foil $16.65), TCGplayer market prices via Scryfall.
Red spells you cast cost {1} less to cast. Creatures you control have haste. {4}{R}{R}, {T}: Create a token that's a copy of target creature you control. Sacrifice it at the beginning of the next end step.