| Cogwork Archivist (22 variants) | 254 |
| Combat Professor (22 variants) | 11 |
| Confront the Past (22 variants) | 67 |
| Confront the Past (12 variants) | 303 |
| Conspiracy Theorist (22 variants) | 94 |
| Conspiracy Theorist (12 variants) | 307 |
| Containment Breach (22 variants) | 125 |
| Crackle with Power (12 variants) | 308 |
| Crackle with Power (22 variants) | 95 |
| Cram Session (22 variants) | 170 |
| Creative Outburst (22 variants) | 171 |
| Crushing Disappointment (22 variants) | 68 |
| Culling Ritual (12 variants) | 337 |
| Culling Ritual (22 variants) | 172 |
| Culmination of Studies (12 variants) | 338 |
| Culmination of Studies (22 variants) | 173 |
| Curate (22 variants) | 40 |
| Daemogoth Titan (22 variants) | 174 |
| Daemogoth Titan (12 variants) | 339 |
| Daemogoth Woe-Eater (22 variants) | 175 |
| Deadly Brew (22 variants) | 176 |
| Decisive Denial (22 variants) | 177 |
| Decisive Denial (22 variants) | 382 |
| Defend the Campus (22 variants) | 12 |
| Detention Vortex (22 variants) | 13 |
| Devastating Mastery (22 variants) | 14 |
| Devastating Mastery (12 variants) | 288 |
| Devouring Tendrils (22 variants) | 126 |
| Dina, Soul Steeper (22 variants) | 178 |
| Divide by Zero (22 variants) | 41 |
| Double Major (22 variants) | 179 |
| Double Major (12 variants) | 340 |
| Draconic Intervention (22 variants) | 96 |
| Draconic Intervention (12 variants) | 309 |
| Dragon's Approach (22 variants) | 97 |
| Dragonsguard Elite (12 variants) | 316 |
| Dragonsguard Elite (11 variants) | 376 |
| Dragonsguard Elite (22 variants) | 127 |
| Dramatic Finale (22 variants) | 180 |
| Dramatic Finale (12 variants) | 341 |
| Dream Strix (22 variants) | 42 |
| Dream Strix (12 variants) | 296 |
| Dueling Coach (22 variants) | 15 |
| Eager First-Year (22 variants) | 16 |
| Ecological Appreciation (12 variants) | 317 |
| Ecological Appreciation (22 variants) | 128 |
| Efreet Flamepainter (22 variants) | 98 |
| Efreet Flamepainter (12 variants) | 310 |
| Elemental Expressionist (12 variants) | 342 |
| Elemental Expressionist (22 variants) | 181 |