Invisible Woman is a mythic Legendary Creature — Human Hero card from Marvel Super Heroes Commander (MSC), collector number 1. Current market price: $0.80 (foil $0.37), TCGplayer market prices via Scryfall.
At the beginning of combat on your turn, if you've cast a noncreature spell this turn, create a 0/3 colorless Wall creature token with defender and reach. Whenever you attack, you may pay {R}{G}{W}{U}. When you do, target creature gets +1/+0 until end of turn for each creature you control and can't be blocked this turn.