4 Academy Ruins (DRC) 58
4 Chromatic Sphere (MRD) 151
4 Desert of the Indomitable (HOU) 172
4 Desert of the Mindful (HOU) 173
4 Gauntlet of Power (TSP) 255
4 Karn Liberated (PLIST) 1
4 Oblivion Stone (M3C) 303
4 Reality Smasher (OGW) 7
4 Sol Ring (ECC) 58
4 Ugin, the Spirit Dragon (PF25) 6
4 Urza's Mine (9ED) 327
4 Urza's Power Plant (9ED) 328
4 Urza's Tower (9ED) 329
4 Voracious Greatshark (FDN) 600
4 Wurmcoil Engine (SLD) 2196