1 Alibou, Ancient Witness (EOC) 113
1 Ancient Den (EOC) 148
1 Anointed Procession (AKH) 2
1 Ashnod's Altar (6E) 274
1 Bronze Guardian (FIC) 234
1 Brudiclad, Telchor Engineer (M3C) 257
1 Caretaker's Talent (BLB) 6
1 Cayth, Famed Mechanist (M3C) 6
1 Chief of the Foundry (KLD) 200
1 Darksteel Citadel (MB2) 107
1 Darksteel Juggernaut (BRC) 137
1 Delete (WHO) 81
1 Drafna, Founder of Lat-Nam (BRO) 47
1 Efficient Construction (AER) 33
1 Encroaching Mycosynth (ONE) 47
1 Enlightened Tutor (6E) 19
1 Enthusiastic Mechanaut (NEO) 218
1 Etherium Sculptor (EOC) 72
1 Fabricate (M10) 52
1 Forensic Gadgeteer (MKM) 342
1 Goblin Bombardment (PLIST) 24
1 Great Furnace (MRD) 282
1 Idyllic Tutor (THB) 24
1 Impact Tremors (FDN) 717
1 Inventors' Fair (KLD) 247
1 Jhoira, Weatherlight Captain (EOC) 118
1 Jhoira's Familiar (DOM) 220
1 Karn's Bastion (EOC) 163
1 Kuldotha Forgemaster (SOM) 169
1 Losheel, Clockwork Scholar (CMM) 38
1 Master of Etherium (ALA) 49
1 Masterful Replication (M20) 65
1 Mechanized Production (PIP) 178
1 Mirrodin Besieged (MH1) 57
1 Monumental Henge (MH3) 222
1 Mycosynth Lattice (DST) 130
1 Myr Battlesphere (SOM) 180
1 Organic Extinction (EOC) 66
1 Path to Exile (MB2) 15
1 Phyrexian Altar (PLIST) 232
1 Reliquary Tower (M19) 254
1 Research Thief (NEC) 53
1 Retrofitter Foundry (DRC) 136
1 Rootborn Defenses (RTR) 19
1 Saheeli, Filigree Master (BRO) 294
1 Saheeli, the Gifted (C18) 44
1 Sai, Master Thopterist (M19) 69
1 Scrap Trawler (MOC) 373
1 Season of Weaving (BLB) 68
1 Seat of the Synod (MRD) 283
1 Sentinel Sarah Lyons (PIP) 118
1 Sharding Sphinx (ALA) 55
1 Shimmer Myr (CMM) 409
1 Simulacrum Synthesizer (BIG) 6
1 Skullclamp (FIC) 355
1 Solemn Simulacrum (FDN) 257
1 Stroke of Midnight (FDN) 148
1 Swiftfoot Boots (TLE) 317
1 Swords to Plowshares (EOC) 45
1 Tempered Steel (BRC) 76
1 Tezzeret, Artifice Master (M19) 79
1 Thopter Engineer (ORI) 165
1 Thopter Spy Network (ORI) 79
1 Thought Vessel (DSC) 256
1 Threefold Thunderhulk (LCI) 265
1 Transplant Theorist (ONE) 73
1 Treasure Vault (AFR) 261
1 Unbreakable Formation (RNA) 29
1 Urza, Prince of Kroog (BRO) 226
1 Urza's Saga (MB2) 114
1 Wake the Past (EOC) 128
1 Workshop Elders (ELD) 318

1 Arcane Signet (ELD) 331
1 Austere Command (FIC) 231
1 Darksteel Forge (M14) 206
1 Foundry Inspector (KLD) 215
1 Goblin Engineer (TSR) 345
1 Idol of Oblivion (TDC) 319
1 Krark-Clan Ironworks (SLC) 11
1 Lightning Greaves (TDC) 102
1 Merchant Scroll (HM) 42
1 Meteor Golem (FDN) 256
1 Mystical Tutor (6E) 83
1 Reckless Fireweaver (KLD) 126
1 Sol Ring (EOC) 57
1 Thousand Moons Smithy (LCI) 39