4 Arcum's Astrolabe (PLIST) 220
2 Batterskull (NPH) 130
1 Damping Sphere (DMR) 219
1 Ensnaring Bridge (MB2) 219
4 Flooded Strand (KTK) 233
3 Goblin Engineer (PLIST) 128
1 Hallowed Fountain (ECL) 265
1 Ichor Wellspring (MBS) 110
1 Inventors' Fair (KLD) 247
4 Mishra's Bauble (MB2) 97
4 Mox Opal (SOM) 179
1 Nihil Spellbomb (SOM) 187
1 Pithing Needle (MID) 257
2 Pyrite Spellbomb (MRD) 232
4 Scalding Tarn (ZEN) 223
6 Snow-Covered Island (KHM) 278
1 Snow-Covered Mountain (KHM) 283
1 Snow-Covered Plains (KHM) 276
1 Steam Vents (ECL) 267
4 Stoneforge Mystic (WWK) 20
1 Sword of the Meek (MB2) 98
3 Thopter Foundry (ARB) 133
4 Urza, Lord High Artificer (CMM) 130
1 Watery Grave (EOE) 261
1 Welding Jar (MRD) 274
3 Whir of Invention (AER) 49

1 Collective Brutality (EMN) 85
2 Damping Sphere (DMR) 219
1 Dead of Winter (MH1) 85
3 Fatal Push (AER) 57
1 Manriki-Gusari (SOK) 156
2 Tezzeret, Agent of Bolas (MBS) 97
3 Thoughtseize (THS) 107
2 Wear (DGM) 135