Wasp, Shrinking Savior is a rare Legendary Creature — Human Hero card from Marvel Super Heroes Commander (MSC), collector number 646. Current market price: $0.26 (foil $0.41), TCGplayer market prices via Scryfall.
Flying Whenever Wasp attacks, up to one other target creature gets -3/-0 until your next turn. Then draw a card for each creature with power less than 0 on the battlefield.