Urza's Saga

(As this Saga enters and after your draw step, add a lore counter. Sacrifice after III.)

I. Urza's Saga gains "{t}: Add {c}."
II. Urza's Saga gains "{2},{t}: Create a 0/0 colorless construct artifact creature token with 'This creature gets +1/+1 for each artifact you control.'"
III. Search your library for an artifact card with
mana cost {0} or {1}, put it onto the battlefield, then shuffle.