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.
NM-Mint Foil - $19.40
Lightly Played Foil - $17.50
Moderately Played Foil - $15.60
Heavily Played Foil - $13.60
Damaged Foil - $9.70
NM-Mint Foil Non English - $19.40
Lightly Played Foil Non English - $17.50
Moderately Played Foil Non English - $15.60
Heavily Played Foil Non English - $13.60
Damaged Foil Non English - $9.70