1 Academy Ruins (2XM) 369
1 Adarkar Wastes (DMU) 377
1 Ancient Den (BRC) 172
1 Argivian Restoration (WL) 34
1 Autonomous Assembler (BRO) 34
1 Buried Ruin (M12) 224
1 Calamity's Wake (BRO) 4
1 Cogwork Assembler (AER) 145
1 Combat Thresher (BRO) 35
1 Darksteel Citadel (BRC) 180
1 Defabricate (BRO) 45
1 Digsite Engineer (BRC) 71
1 Doubling Cube (5DN) 116
1 Foundry Inspector (BRR) 79
1 Hangarback Walker (ORI) 229
1 Hulking Metamorph (BRO) 79
10 Island (BRO) 280
1 Karn Liberated (2XM) 333
1 Karn, Living Legacy (DMU) 1
1 Karn, Scion of Urza (DOM) 1
1 Karn, the Great Creator (WAR) 1
1 Karn's Sylex (DMU) 234
1 Kayla's Command (BRO) 9
1 Kayla's Reconstruction (BRO) 10
1 Key to the City (BRR) 90
1 Liberator, Urza's Battlethopter (BRO) 237
1 Machine Over Matter (BRO) 57
1 March of Progress (BRC) 8
1 Mind Stone (FIC) 353
1 Mine Worker (BRO) 239
1 Monoskelion (MH2) 429
1 Mystic Forge (BRR) 99
1 One with the Multiverse (BRO) 59
1 Ornithopter (AER) 167
1 Ornithopter of Paradise (MH2) 430
1 Pentavus (MRD) 226
10 Plains (BRO) 279
1 Power Plant Worker (BRO) 241
1 Razortide Bridge (BRC) 195
1 Repair and Recharge (BRO) 24
1 Sanwell, Avenger Ace (BRC) 5
1 Scrap Trawler (BRR) 112
1 Sculpting Steel (BRR) 113
1 Seat of the Synod (BRC) 198
1 Self-Assembler (BRR) 114
1 Semblance Anvil (BRR) 115
1 Sol Ring (BRC) 160
1 Spotter Thopter (BRO) 80
1 Steel Overseer (BRC) 164
1 Stern Lesson (BRO) 64
1 Surge Engine (BRO) 81
1 Swiftfoot Boots (BRR) 121
1 Talisman of Progress (SLD) 1052
1 Tempered Steel (BRC) 76
1 Temporal Aperture (UZ) 310
1 The Antiquities War (DOM) 42
1 The Mightstone and Weakstone (BRO) 238
1 Thopter Mechanic (BRO) 68
1 Thopter Shop (BRC) 19
1 Thopter Spy Network (BRC) 97
1 Thran Dynamo (BLC) 290
1 Tocasia's Dig Site (BRO) 266
1 Tocasia's Welcome (BRO) 30
1 Tolaria West (FUT) 173
1 Tower Worker (BRO) 255
1 Triskelion (MRD) 269
1 Unwinding Clock (BRR) 124
1 Urza, Lord Protector (BRO) 225
1 Urza, Powerstone Prodigy (BRO) 69
1 Urza, Prince of Kroog (BRO) 226
1 Urza's Bauble (5E) 406
1 Urza's Blueprints (GU) 137
1 Urza's Command (BRO) 70
1 Urza's Factory (TSP) 280
1 Urza's Mine (2XM) 370
1 Urza's Power Plant (2XM) 371
1 Urza's Saga (MH2) 259
1 Urza's Sylex (BRO) 40
1 Urza's Tower (2XM) 372
1 Urza's Workshop (BRC) 51
1 Voltaic Key (M11) 219
1 Weatherlight (DOM) 237

1 Mightstone (AQ) 20