Origin of Iron Man - Enchantment

(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.