4 Alhammarret's Archive (SLC) 27
4 Amass the Components (AVR) 43
4 Artificer's Epiphany (ORI) 45
4 Burning Inquiry (M10) 128
4 Catalog (SOI) 51
4 Chronic Flooding (RTR) 32
4 Compulsive Research (RAV) 40
4 Concentrate (8ED) 68
4 Curse of the Bloody Tome (ISD) 50
4 Desperate Ravings (ISD) 139
4 Dictate of Kruphix (FDN) 587
4 Doorkeeper (RTR) 37
4 Dream Fracture (EVE) 19
4 Dream Twist (ISD) 54
4 Faithless Looting (DKA) 87
4 Fated Infatuation (BNG) 39
4 Flow of Ideas (SHM) 38
4 Font of Mythos (CON) 136
4 Forbidden Alchemy (ISD) 55
4 Glimpse the Future (M14) 58
4 Goblin Lore (PLIST) 99
4 Grindclock (M15) 217
4 Hedron Crab (TDC) 155
4 Howling Mine (M10) 212
4 Ideas Unbound (PLIST) 40
4 Infiltration Lens (SOM) 167
20 Island (TLA) 283
4 Izzet Charm (RTR) 172
4 Jace Beleren (MB2) 29
4 Jace's Archivist (M12) 59
4 Jace's Erasure (M12) 60
4 Laboratory Maniac (FCA) 30
4 Magmatic Insight (ORI) 155
4 Mask of Memory (MRD) 203
4 Memory Sluice (SHM) 170
4 Mesmeric Orb (MRD) 204
4 Monastery Siege (FRF) 43
4 Mystic Meditation (DTK) 64
4 Oculus (MBS) 29
4 Otherworld Atlas (AVR) 219
4 Palace Familiar (DTK) 69
4 Pilfered Plans (DGM) 90
4 Prism Ring (ORI) 235
4 Pyromancer Ascension (ZEN) 143
4 Remand (J25) 349
4 Sage's Row Denizen (M20) 73
4 Selhoff Occultist (ISD) 73
4 Serum Visions (J22) 345
4 Shattered Perception (DKA) 104
4 Sift (M19) 72
4 Steady Progress (SOM) 45
4 Sultai Ascendancy (KTK) 203
4 Taigam's Scheming (KTK) 57
4 Tezzeret's Gambit (NPH) 47
4 Thirst for Knowledge (NEO) 85
4 Thought Scour (DKA) 52
4 Tibalt, the Fiend-Blooded (AVR) 161
4 Tome Scour (M14) 75
4 Tormenting Voice (ZNR) 172
4 Undercity Informer (GTC) 82
4 Visions of Beyond (TLE) 21
4 Walking Archive (DIS) 169
4 Well of Lost Dreams (BRR) 125
4 Wistful Thinking (PLC) 53