Urza, Lord Protector (The Brothers' War)

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 - $15.50
LP - $12.50
MP - $9.50
HP - $6.50
DMG - $3.50