What are the abilities of Urza, Lord Protector?
user
Artifact, instant, and sorcery spells you cast cost {1} less to cast.\n{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.
assistant