Urza, Lord Protector 225 (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 - $20.10
LP - $16.10
MP - $12.10
HP - $8.10
DMG - $4.10