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 - $21.70
Lightly Played Foil - $20.60
Moderately Played Foil - $19.50
Heavily Played Foil - $17.40
Damaged Foil - $14.10
NM-Mint Foil Non English - $21.70
Lightly Played Foil Non English - $20.60
Moderately Played Foil Non English - $19.50
Heavily Played Foil Non English - $17.40
Damaged Foil Non English - $14.10