Artifact, instant, and sorcery spells you cast cost {1} less to cast.
{7}: If you both own and control Urza, Lord Protector and an artifact named The Mightstone and Weakstone, exile them, then meld them into Urza, Planeswalker. Activate only as a sorcery.
Near Mint - $14.20
Lightly Played - $12.80
Played - $9.90
Heavily Played - $8.50
Damaged - $7.10
Near Mint Non-English - $14.20
Lightly Played Non-English - $12.80
Played Non-English - $9.90
Heavily Played Non-English - $8.50
Damaged Non-English - $7.10
Foil Prices
Near Mint Foil - $14.70
Lightly Played Foil - $13.30
Played Foil - $10.30
Heavily Played Foil - $8.90
Damaged Foil - $7.40
Near Mint Foil Non-English - $14.70
Lightly Played Foil Non-English - $13.30
Played Foil Non-English - $10.30
Heavily Played Foil Non-English - $8.90
Damaged Foil Non-English - $7.40