Card Name: Urza, Lord Protector
Set: The Brothers' War
Description: 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.
Artist: Ryan Pancoast

EDHrec: https://edhrec.com/commanders/urza-lord-protector #magicthegathering #mtg #UrzaLordProtector #RyanPancoast #TheBrothersWar