Ultron, Artificial Malevolence is a mythic Legendary Artifact Creature — Robot Villain card from Marvel Super Heroes (MSH), collector number 344. Current market price: $13.71 (foil $18.46), TCGplayer market prices via Scryfall.
Whenever another nontoken artifact you control enters, you may pay {2}. If you do, create a token that's a copy of it. If the token isn't a creature, it becomes a 2/2 Robot Villain creature in addition to its other types.