1 Academy Ruins (DRC) 58
1 Ancient Den (EOC) 148
1 Artificer Class (CLB) 663
1 Ashnod's Altar (6E) 274
1 Baleful Strix (FIC) 318
1 Breya, Etherium Shaper (MH3) 289
1 Darksteel Citadel (MB2) 107
1 Emry, Lurker of the Loch (EOC) 71
1 Etherium Sculptor (EOC) 72
1 Foundry Inspector (KLD) 215
1 Great Furnace (MRD) 282
1 Inventors' Fair (KLD) 247
1 Jhoira, Weatherlight Captain (EOC) 118
1 Magister Sphinx (CON) 116
1 Master Transmuter (CON) 31
1 Organic Extinction (EOC) 66
1 Oswald Fiddlebender (AFR) 304
1 Padeem, Consul of Innovation (KLD) 59
1 Sai, Master Thopterist (M19) 69
1 Seat of the Synod (MRD) 283
1 Skullclamp (FIC) 355
1 Solemn Simulacrum (FDN) 257
1 Storm the Vault (RIX) 173
1 Sword of the Meek (FUT) 165
1 Thopter Foundry (ARB) 133
1 Thopter Spy Network (ORI) 79
1 Time Sieve (ARB) 31
1 Urza, Lord High Artificer (CMM) 130
1 Urza's Saga (MB2) 114
1 Vault of Whispers (MRD) 286

1 Ancient Copper Dragon (FCA) 12
1 Daretti, Scrap Savant (PLIST) 33
1 Ethersworn Canonist (MB2) 10
1 Goblin Engineer (TSR) 345
1 Goblin Welder (SLD) 1617
1 Jan Jansen, Chaos Crafter (CLB) 535
1 Karn, Legacy Reforged (MAT) 49
1 Karn, Scion of Urza (DOM) 1
1 Revel in Riches (XLN) 117
1 Saheeli, the Gifted (C18) 44
1 Sami, Wildcat Captain (EOE) 226
1 Smothering Tithe (RNA) 22
1 Tezzeret, Master of the Bridge (WAR) 275
1 Urza, Chief Artificer (BRC) 40