Storm, Windrider is a rare Legendary Creature — Mutant Hero card from Marvel Super Heroes (MSH), collector number 375. Current market price: $1.59 (foil $3.41), 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.