| Kaito, Dancing Shadow (16 variants) | 204 |
| Karumonix, the Rat King (16 variants) | 98 |
| Karumonix, the Rat King (16 variants) | 307 |
| Karumonix, the Rat King | 439 |
| Karumonix, the Rat King | 282 |
| Kaya, Intangible Slayer | 464 |
| Kaya, Intangible Slayer (16 variants) | 341 |
| Kaya, Intangible Slayer (16 variants) | 205 |
| Kemba, Kha Enduring (16 variants) | 19 |
| Kemba, Kha Enduring | 423 |
| Kemba, Kha Enduring (16 variants) | 330 |
| Kethek, Crucible Goliath (16 variants) | 319 |
| Kethek, Crucible Goliath | 465 |
| Kethek, Crucible Goliath (16 variants) | 206 |
| Kinzu of the Bleak Coven (16 variants) | 406 |
| Kinzu of the Bleak Coven (9 variants) | 411 |
| Koth, Fire of Resistance (16 variants) | 138 |
| Koth, Fire of Resistance (16 variants) | 338 |
| Koth, Fire of Resistance | 446 |
| Kuldotha Cackler (16 variants) | 139 |
| Lattice-Blade Mantis (16 variants) | 173 |
| Leonin Lightbringer (16 variants) | 20 |
| Lukka, Bound to Ruin | 467 |
| Lukka, Bound to Ruin (16 variants) | 207 |
| Lukka, Bound to Ruin (16 variants) | 342 |
| Lukka, Bound to Ruin | 363 |
| Magmatic Sprinter (16 variants) | 140 |
| Malcator, Purity Overseer (16 variants) | 208 |
| Malcator, Purity Overseer (16 variants) | 320 |
| Malcator, Purity Overseer | 468 |
| Malcator's Watcher (16 variants) | 58 |
| Mandible Justiciar (16 variants) | 21 |
| Maze Skullbomb (16 variants) | 231 |
| Maze's Mantle (16 variants) | 174 |
| Meldweb Curator (16 variants) | 59 |
| Meldweb Strider (16 variants) | 60 |
| Melira, the Living Cure | 469 |
| Melira, the Living Cure (16 variants) | 209 |
| Melira, the Living Cure (16 variants) | 333 |
| Mercurial Spelldancer (10 variants) | 381 |
| Mercurial Spelldancer (16 variants) | 61 |
| Mesmerizing Dose (16 variants) | 62 |
| Migloz, Maze Crusher | 470 |
| Migloz, Maze Crusher (16 variants) | 210 |
| Migloz, Maze Crusher (16 variants) | 321 |
| Mindsplice Apparatus (16 variants) | 63 |
| Mindsplice Apparatus (10 variants) | 382 |
| Minor Misstep (16 variants) | 64 |
| Mirran Bardiche (16 variants) | 22 |
| Mirran Safehouse (16 variants) | 232 |