Origin of Iron Man is a uncommon Enchantment — Saga card from Marvel Super Heroes Commander (MSC), collector number 633. Current market price: $0.29 (foil $2.24), TCGplayer market prices via Scryfall.
(As this Saga enters and after your draw step, add a lore counter. Sacrifice after III.) I — Tap up to one target creature. It doesn't untap during its controller's untap step for as long as this Saga remains on the battlefield. II — Draw two cards. III — You may put an artifact card with mana value 5 or less from your hand onto the battlefield.