4 Altar of Dementia (MH1) 218
4 Arcum's Astrolabe (PLIST) 220
1 Artificer's Intuition (5DN) 23
4 Goblin Engineer (PLIST) 128
4 Grinding Station (5DN) 127
4 Ichor Wellspring (MBS) 110
1 Inventors' Fair (KLD) 247
4 Locket of Yesterdays (TSP) 258
4 Mox Opal (SOM) 179
4 Myr Retriever (MRD) 215
1 Mystic Forge (PIP) 236
2 Urza, Lord High Artificer (CMM) 130
4 Whir of Invention (AER) 49

1 Chief Engineer (M15) 47
1 Cloud Key (EOC) 54
1 Etherium Sculptor (EOC) 72
1 Foundry Inspector (KLD) 215
1 Herald of Kozilek (BFZ) 205
1 Infernal Tutor (RVR) 326
1 Reshape (PLIST) 31
1 Scrap Trawler (AER) 175
1 Search for Azcanta (XLN) 74
1 Trinket Mage (SOM) 48
1 Ugin, the Ineffable (WAR) 2
4 Workshop Assistant (KLD) 241