1 Karn, Scion of Urza (DOM) 1
1 Liberator, Urza's Battlethopter (BRO) 237
1 Powerstone Shard (DOM) 227
1 The Mightstone and Weakstone (BRO) 238
1 Urza, Lord High Artificer (CMM) 130
1 Urza, Lord Protector (BRO) 225
1 Urza, Powerstone Prodigy (BRO) 69
1 Urza, Prince of Kroog (BRO) 296
1 Urza's Command (BRO) 70
1 Urza's Factory (TSP) 280
1 Urza's Mine (9ED) 327
1 Urza's Power Plant (9ED) 328
1 Urza's Ruinous Blast (DOM) 39
1 Urza's Saga (MB2) 114
1 Urza's Sylex (BRO) 40
1 Urza's Tower (9ED) 329
1 Urza's Workshop (BRC) 51