| Lorthos, the Tidemaker (14 variants) | 103 |
| Lorthos, the Tidemaker (7 variants) | 490 |
| Losheel, Clockwork Scholar (14 variants) | 38 |
| Lotleth Giant (14 variants) | 171 |
| Love Song of Night and Day (4 variants) | 827 |
| Loyal Apprentice (12 variants) | 240 |
| Loyal Drake (14 variants) | 104 |
| Loyal Guardian (12 variants) | 304 |
| Loyal Retainers (7 variants) | 465 |
| Loyal Retainers (14 variants) | 39 |
| Loyal Subordinate (14 variants) | 172 |
| Loyal Unicorn (14 variants) | 40 |
| Mace of the Valiant (14 variants) | 41 |
| Maelstrom Wanderer (14 variants) | 684 |
| Maelstrom Wanderer (12 variants) | 344 |
| Maelstrom Wanderer (7 variants) | 583 |
| Mage-Ring Network (4 variants) | 1009 |
| Magus of the Wheel (7 variants) | 544 |
| Magus of the Wheel (12 variants) | 241 |
| Magus of the Wheel (14 variants) | 643 |
| Makeshift Munitions (12 variants) | 242 |
| Manaweft Sliver (4 variants) | 900 |
| Mangara, the Diplomat (7 variants) | 466 |
| Mangara, the Diplomat (14 variants) | 42 |
| Matter Reshaper (4 variants) | 806 |
| Mazemind Tome (4 variants) | 959 |
| Megantic Sliver (4 variants) | 901 |
| Melek, Izzet Paragon (12 variants) | 345 |
| Meren of Clan Nel Toth (7 variants) | 584 |
| Meren of Clan Nel Toth (14 variants) | 685 |
| Meren of Clan Nel Toth (12 variants) | 346 |
| Mesa Enchantress (4 variants) | 828 |
| Metalwork Colossus (4 variants) | 960 |
| Meteor Golem (12 variants) | 399 |
| Meteoric Mace (12 variants) | 243 |
| Might Sliver (4 variants) | 903 |
| Mikaeus, the Unhallowed (14 variants) | 173 |
| Mikaeus, the Unhallowed (5 variants) | 1061 |
| Mikaeus, the Unhallowed (7 variants) | 516 |
| Mikaeus, the Unhallowed (14 variants) | 675 |
| Mind Stone (4 variants) | 961 |
| Minds Aglow (7 variants) | 491 |
| Minds Aglow (14 variants) | 105 |
| Mindwrack Harpy (4 variants) | 869 |
| Ministrant of Obligation (14 variants) | 43 |
| Mirage Mirror (4 variants) | 962 |
| Mirari's Wake (4 variants) | 928 |
| Mire Triton (14 variants) | 174 |
| Mirri, Weatherlight Duelist (12 variants) | 347 |
| Mirri, Weatherlight Duelist (7 variants) | 585 |