1 Braingeyser (3E) 50
1 Caged Sun (NPH) 132
1 Chromatic Lantern (GRN) 233
1 Compulsive Research (RAV) 40
1 Consecrated Sphinx (MBS) 21
1 Curiosity (ISD) 49
1 Elixir of Immortality (M14) 209
1 Fabricate (M10) 52
1 Gilded Lotus (FDN) 725
1 Gitaxian Probe (NPH) 35
1 Guttersnipe (FDN) 716
1 Izzet Signet (TDC) 320
1 Jin-Gitaxias, Core Augur (SLD) 210
1 Mind Over Matter (EX) 40
1 Mind Spring (BLB) 389
1 Niv-Mizzet, the Firemind (RVR) 467
1 Omniscience (FDN) 161
1 Ophidian Eye (TSP) 70
1 Opportunity (M14) 66
1 Ponder (TDC) 159
1 Portent (5E) 110
1 Recurring Insight (ROE) 82
1 Sensei's Divining Top (CHK) 268
1 Serum Visions (J22) 345
1 Thirst for Knowledge (NEO) 85
1 Tormenting Voice (ZNR) 172
1 Wild Guess (M14) 161

1 Fauna Shaman (BRO) 179