(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.
Near Mint - $35.700
Lightly Played - $28.600
Moderately Played - $25.000
Heavily Played - $21.400
Damaged - $17.900
Near Mint Spanish - $35.700
Lightly Played Spanish - $28.600
Moderately Played Spanish - $25.000
Heavily Played Spanish - $21.400
Damaged Spanish - $17.900