(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 - $43.300
Lightly Played - $34.600
Moderately Played - $30.300
Heavily Played - $26.000
Damaged - $21.700
Near Mint Spanish - $43.300
Lightly Played Spanish - $34.600
Moderately Played Spanish - $30.300
Heavily Played Spanish - $26.000
Damaged Spanish - $21.700