| Najeela, the Blade-Blossom (2 variants) | 1032 |
| Najeela, the Blade-Blossom (2 variants) | 1557 |
| Nahiri, Storm of Stone | 533 |
| Mystical Tutor (2 variants) | 334 |
| Mystic Sanctuary | 2143 |
| Mystic Remora | 1842 |
| Mystic Remora (2 variants) | 406 |
| Myr Battlesphere (2 variants) | 2097 |
| Myr (2 variants) | 2101 |
| Mycosynth Wellspring | 1435★ |
| Mycosynth Wellspring | 1435 |
| Mycosynth Lattice | 1434 |
| Mycosynth Lattice | 1434★ |
| Mycosynth Golem | 1433★ |
| Mycosynth Golem | 1433 |
| Mycoloth (2 variants) | 1136 |
| Mycoloth (2 variants) | 2205 |
| Muxus, Goblin Grandee | 1314★ |
| Muxus, Goblin Grandee | 1314 |
| Mutational Advantage (2 variants) | 2454 |
| Muscle Sliver | 653 |
| Murktide Regent (2 variants) | 1878 |
| Murderous Rider // Swift End (2 variants) | 1981 |
| Mulldrifter (2 variants) | 168 |
| Mulldrifter (2 variants) | 373 |
| Mulldrifter (2 variants) | 374 |
| Mulldrifter | 1887 |
| Mudhole | 62 |
| Muddle the Mixture (2 variants) | 1254 |
| Mox Tantalite | 1073 |
| Mox Opal | 1072 |
| Mountain Goat (2 variants) | 737 |
| Mountain | 1514 |
| Mountain (2 variants) | 1358 |
| Mountain | 569 |
| Mountain (2 variants) | 106 |
| Mountain | 566 |
| Mountain (2 variants) | 1367 |
| Mountain (2 variants) | 1385 |
| Mountain | 564 |
| Mountain (2 variants) | 1650 |
| Mountain | 2418 |
| Mountain (2 variants) | 1362 |
| Mountain (2 variants) | 1359 |
| Mountain (2 variants) | 1471 |
| Mountain (2 variants) | 1948 |
| Mountain | 7128 |
| Mountain (2 variants) | 1361 |
| Mountain (2 variants) | 389 |
| Mountain (2 variants) | 451 |