| Memory Plunder (10 variants) | 849 |
| Mazzy, Truesword Paladin | 541 |
| Mazzy, Truesword Paladin (22 variants) | 283 |
| Mazzy, Truesword Paladin (22 variants) | 430 |
| Master Chef | 519 |
| Master Chef (22 variants) | 241 |
| Maskwood Nexus (10 variants) | 865 |
| Marut (22 variants) | 322 |
| Martial Impetus (22 variants) | 33 |
| Mardu Strike Leader (10 variants) | 761 |
| Marching Duodrone (22 variants) | 321 |
| Marching Duodrone (22 variants) | 447 |
| Marble Diamond (22 variants) | 320 |
| Marble Diamond (22 variants) | 446 |
| Manor Gate (22 variants) | 356 |
| Manifold Key (22 variants) | 319 |
| Managorger Hydra (10 variants) | 828 |
| Malakir Blood-Priest (10 variants) | 760 |
| Majestic Genesis (8 variants) | 590 |
| Majestic Genesis (22 variants) | 240 |
| Mahadi, Emporium Master (22 variants) | 429 |
| Mahadi, Emporium Master (22 variants) | 282 |
| Mahadi, Emporium Master | 540 |
| Magus of the Balance (10 variants) | 699 |
| Mage's Attendant (10 variants) | 698 |
| Luxury Suite (22 variants) | 355 |
| Luxury Suite (8 variants) | 602 |
| Lurking Green Dragon (22 variants) | 239 |
| Lulu, Loyal Hollyphant (22 variants) | 32 |
| Lulu, Loyal Hollyphant (22 variants) | 379 |
| Lulu, Loyal Hollyphant | 477 |
| Lozhan, Dragons' Legacy | 539 |
| Lozhan, Dragons' Legacy (22 variants) | 428 |
| Lozhan, Dragons' Legacy (22 variants) | 281 |
| Lovestruck Beast // Heart's Desire (8 variants) | 827 |
| Loot Dispute (10 variants) | 677 |
| Loot Dispute (4 variants) | 631 |
| Livaan, Cultist of Tiamat (22 variants) | 188 |
| Livaan, Cultist of Tiamat | 508 |
| Livaan, Cultist of Tiamat (22 variants) | 402 |
| Lightning Greaves (10 variants) | 864 |
| Lightning Bolt (22 variants) | 401 |
| Lightning Bolt (22 variants) | 187 |
| Light Up the Stage (10 variants) | 802 |
| Leyline of Anticipation (10 variants) | 726 |
| Legion Loyalty (22 variants) | 371 |
| Legion Loyalty (22 variants) | 31 |
| Lapis Orb of Dragonkind (22 variants) | 82 |
| Lantern of Revealing (22 variants) | 318 |
| Laelia, the Blade Reforged (10 variants) | 801 |