1 Academy Ruins (DRC) 58
1 Argivian Restoration (WL) 34
1 Blinkmoth Well (MRD) 279
1 Bottled Cloister (RAV) 256
1 Buried Ruin (M12) 224
1 Copper Gnomes (UZ) 291
1 Counterspell (FCA) 4
1 Crawlspace (GU) 123
1 Cursed Totem (MH2) 295
1 Damping Engine (GU) 124
1 Darksteel Forge (M14) 206
1 Dream Tides (VI) 31
1 Dust Bowl (OTP) 65
1 Efficient Construction (AER) 33
1 Encroaching Wastes (M14) 227
1 Etherium Sculptor (EOC) 72
1 Everflowing Chalice (WWK) 123
1 Expedition Map (FDN) 724
1 Fabricate (M10) 52
1 Fatespinner (PLIST) 36
1 Feroz's Ban (7E) 295
1 Ghost Quarter (ISD) 240
1 Grafdigger's Cage (DKA) 149
1 Hedron Archive (FDN) 726
1 Inventors' Fair (KLD) 247
29 Island (TLA) 283
1 Jester's Cap (DMR) 381
1 Kuldotha Forgemaster (SOM) 169
1 Lodestone Golem (WWK) 127
1 Mind Stone (FIC) 353
1 Muzzio, Visionary Architect (BRC) 89
1 Nevinyrral's Disk (MH2) 298
1 Oblivion Stone (M3C) 303
1 Padeem, Consul of Innovation (KLD) 59
1 Phyrexian Revoker (M15) 225
1 Portcullis (ST) 133
1 Propaganda (FIC) 268
1 Reshape (PLIST) 31
1 Reverse Engineer (AER) 42
1 Rewind (M21) 63
1 Rising Waters (NE) 38
1 Scour from Existence (BFZ) 13
1 Silent Arbiter (5DN) 150
1 Smokestack (MB2) 232
1 Sol Ring (EOC) 57
1 Sphere of Resistance (SLD) 1484
1 Static Orb (MB2) 234
1 Storage Matrix (9ED) 310
1 Storm Cauldron (6E) 314
1 Strip Mine (4E) 189
1 Tangle Wire (V13) 8
1 Tectonic Edge (WWK) 145
1 Thopter Spy Network (ORI) 79
1 Thorn of Amethyst (BRR) 123
1 Thoughtcast (MRD) 54
1 Thran Dynamo (BLC) 290
1 Torpor Orb (NPH) 162
1 Trading Post (M14) 225
1 Tsabo's Web (MB2) 143
1 Uba Mask (CHK) 272
1 Unwinding Clock (NPH) 164
1 Vedalken Archmage (MRD) 55
1 Vedalken Engineer (DST) 35
1 Voltaic Key (M11) 219
1 Ward of Bones (EVE) 174
1 Whir of Invention (AER) 49
1 Winter Orb (5E) 408
1 Witchbane Orb (ISD) 236
1 Worn Powerstone (MH3) 298