The Fire Crystal is a rare Legendary Artifact card from Final Fantasy (FIN), collector number 337. Current market price: $13.80 (foil $19.92), 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.