| Mezzio Mugger (10 variants) | 49 |
| Master of Ceremonies (5 variants) | 119 |
| Master of Ceremonies (10 variants) | 18 |
| Mask of the Schemer (5 variants) | 129 |
| Mask of the Schemer (10 variants) | 28 |
| Mask of Riddles (10 variants) | 347 |
| Martial Coup (10 variants) | 206 |
| Mari, the Killing Quill (10 variants) | 97 |
| Mari, the Killing Quill (21 variants) | 89 |
| March of the Multitudes (10 variants) | 346 |
| Make an Example (10 variants) | 37 |
| Make an Example (5 variants) | 138 |
| Magus of the Wheel (10 variants) | 271 |
| Maestros Confluence (10 variants) | 75 |
| Maestros Confluence (5 variants) | 175 |
| Luminarch Aspirant (10 variants) | 205 |
| Looter il-Kor (10 variants) | 225 |
| Llanowar Reborn (10 variants) | 413 |
| Littjara Mirrorlake (10 variants) | 412 |
| Lightning Greaves (10 variants) | 371 |
| Lifecrafter's Bestiary (10 variants) | 370 |
| Life's Legacy (10 variants) | 300 |
| Life of the Party (5 variants) | 148 |
| Life of the Party (10 variants) | 48 |
| Life Insurance (5 variants) | 174 |
| Life Insurance (10 variants) | 74 |
| Lethal Scheme (10 variants) | 36 |
| Lethal Scheme (5 variants) | 137 |
| Leafkin Druid (10 variants) | 299 |
| Kros, Defense Contractor (10 variants) | 105 |
| Kros, Defense Contractor (22 variants) | 7 |
| Kresh the Bloodbraided (10 variants) | 345 |
| Kodama's Reach (10 variants) | 298 |
| Kitt Kanto, Mayhem Diva (10 variants) | 104 |
| Kitt Kanto, Mayhem Diva (22 variants) | 4 |
| Kitt Kanto, Mayhem Diva (10 variants) | 189 |
| Killer Service (10 variants) | 61 |
| Killer Service (5 variants) | 161 |
| Kessig Wolf Run (10 variants) | 411 |
| Kess, Dissident Mage (10 variants) | 344 |
| Kazuul, Tyrant of the Cliffs (10 variants) | 270 |
| Karn's Bastion (10 variants) | 410 |
| Kamiz, Obscura Oculus (10 variants) | 188 |
| Kamiz, Obscura Oculus (10 variants) | 103 |
| Kamiz, Obscura Oculus (22 variants) | 3 |
| Jungle Shrine (10 variants) | 409 |
| Jund Panorama (10 variants) | 408 |
| Jolene, the Plunder Queen (5 variants) | 173 |
| Jolene, the Plunder Queen (10 variants) | 73 |
| Jenara, Asura of War (10 variants) | 343 |