Storm, Windrider is a rare Legendary Creature — Mutant Hero card from Marvel Super Heroes (MSH), collector number 230. Current market price: $0.31 (foil $0.83), TCGplayer market prices via Scryfall.
Flying Creatures with flying can't attack you or block creatures you control. Whenever you cast a spell that targets one or more creatures, those creatures gain flying until end of turn.