4 Arcum's Astrolabe (PLIST) 220
1 Blast Zone (BRO) 258
4 Darksteel Citadel (DST) 164
1 Engineered Explosives (MB2) 218
1 Ensnaring Bridge (MB2) 219
1 Everflowing Chalice (WWK) 123
4 Force of Negation (TLE) 13
1 Inventors' Fair (KLD) 247
1 Metallic Rebuke (AER) 39
4 Mox Opal (SOM) 179
4 Paradoxical Outcome (KLD) 60
4 Pentad Prism (5DN) 143
1 Pithing Needle (MID) 257
2 Sai, Master Thopterist (M19) 69
11 Snow-Covered Island (KHM) 278
2 Sword of the Meek (FUT) 165
2 Thopter Foundry (ARB) 133
3 Tolaria West (PLIST) 173
1 Tormod's Crypt (M21) 241
4 Urza, Lord High Artificer (CMM) 130
1 Welding Jar (MRD) 274
4 Whir of Invention (AER) 49

1 Ensnaring Bridge (MB2) 219
4 Goblin Engineer (TSR) 345
1 Mox Amber (DOM) 224
1 Sword of the Meek (FUT) 165
1 Thopter Foundry (ARB) 133