Ironheart, Clever Champion is a rare Legendary Artifact Creature — Human Hero card from Marvel Super Heroes (MSH), collector number 60. Current market price: $0.37 (foil $0.50), TCGplayer market prices via Scryfall.
Improvise (Your artifacts can help cast this spell. Each artifact you tap after you're done activating mana abilities pays for {1}.) Flying Noncreature spells you cast have improvise.