Captain America, Skybound is a rare Legendary Creature — Human Soldier Hero card from Marvel Super Heroes Commander (MSC), collector number 588. Current market price: $0.70 (foil $4.60), TCGplayer market prices via Scryfall.
Flying, vigilance Battalion — Whenever Captain America and at least two other creatures attack, put a +1/+1 counter on each attacking creature. They gain indestructible until end of turn. (Damage and effects that say "destroy" don't destroy them.)