1 Academy Ruins (DRC) 58
2 Blast Zone (BRO) 258
1 Chalice of the Void (MRD) 150
4 Darksteel Citadel (M15) 242
1 Darksteel Relic (NPH) 134
3 Ensnaring Bridge (MB2) 219
4 Ensoul Artifact (M15) 54
1 Expedition Map (FDN) 724
3 Inventors' Fair (KLD) 247
4 Karn, Scion of Urza (DOM) 1
4 Karn, the Great Creator (WAR) 1
1 Liquimetal Coating (SOM) 171
4 Mox Opal (SOM) 179
1 Tezzeret the Schemer (AER) 137
2 Tezzeret, Agent of Bolas (MBS) 97
1 Tezzeret, Master of the Bridge (WAR) 275
4 Welding Jar (MRD) 274
4 Whir of Invention (AER) 49

1 Bottled Cloister (RAV) 256
1 Chalice of the Void (MRD) 150
1 Crucible of Worlds (M19) 229
1 Defense Grid (8ED) 296
1 Engineered Explosives (MB2) 218
1 Ensnaring Bridge (MB2) 219
1 Grafdigger's Cage (M20) 227
1 Liquimetal Coating (SOM) 171
1 Mycosynth Lattice (DST) 130
1 Ratchet Bomb (M14) 215
1 Relic of Progenitus (ALA) 218
4 Stoic Rebuttal (SOM) 46
1 Torpor Orb (NPH) 162
1 Trinisphere (DST) 154
1 Witchbane Orb (ISD) 236