Urza's Saga

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

I — This Saga gains "{t}: Add {c}."

II — This Saga gains "{2}, {t}: Create a 0/0 colorless Construct artifact creature token with 'This token 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.