Crystal, Inhuman Princess is a rare Legendary Creature — Inhuman Noble Hero card from Marvel Super Heroes Commander (MSC), collector number 398. Current market price: $7.31, TCGplayer market prices via Scryfall.
Flying Whenever you cast a noncreature spell, Crystal deals X damage to each opponent, where X is the number of colors that spell is. {T}: Add {R}, {G}, {W}, or {U}.