| Loot Dispute (4 variants) | 631 |
| Lovestruck Beast // Heart's Desire (8 variants) | 827 |
| Lozhan, Dragons' Legacy | 539 |
| Lozhan, Dragons' Legacy (22 variants) | 428 |
| Lozhan, Dragons' Legacy (22 variants) | 281 |
| Lulu, Loyal Hollyphant (22 variants) | 32 |
| Lulu, Loyal Hollyphant (22 variants) | 379 |
| Lulu, Loyal Hollyphant | 477 |
| Lurking Green Dragon (22 variants) | 239 |
| Luxury Suite (22 variants) | 355 |
| Luxury Suite (8 variants) | 602 |
| Mage's Attendant (10 variants) | 698 |
| Magus of the Balance (10 variants) | 699 |
| Mahadi, Emporium Master (22 variants) | 429 |
| Mahadi, Emporium Master (22 variants) | 282 |
| Mahadi, Emporium Master | 540 |
| Majestic Genesis (8 variants) | 590 |
| Majestic Genesis (22 variants) | 240 |
| Malakir Blood-Priest (10 variants) | 760 |
| Managorger Hydra (10 variants) | 828 |
| Manifold Key (22 variants) | 319 |
| Manor Gate (22 variants) | 356 |
| Marble Diamond (22 variants) | 320 |
| Marble Diamond (22 variants) | 446 |
| Marching Duodrone (22 variants) | 321 |
| Marching Duodrone (22 variants) | 447 |
| Mardu Strike Leader (10 variants) | 761 |
| Martial Impetus (22 variants) | 33 |
| Marut (22 variants) | 322 |
| Maskwood Nexus (10 variants) | 865 |
| Master Chef | 519 |
| Master Chef (22 variants) | 241 |
| Mazzy, Truesword Paladin | 541 |
| Mazzy, Truesword Paladin (22 variants) | 283 |
| Mazzy, Truesword Paladin (22 variants) | 430 |
| Memory Plunder (10 variants) | 849 |
| Meteor Golem (22 variants) | 323 |
| Midnight Clock (10 variants) | 727 |
| Mighty Servant of Leuk-o (8 variants) | 598 |
| Mighty Servant of Leuk-o (22 variants) | 324 |
| Miirym, Sentinel Wyrm | 542 |
| Miirym, Sentinel Wyrm (22 variants) | 284 |
| Miirym, Sentinel Wyrm (22 variants) | 431 |
| Mikaeus, the Lunarch (10 variants) | 700 |
| Mind Flayer (10 variants) | 728 |
| Mind Stone (22 variants) | 325 |
| Mindblade Render (10 variants) | 762 |
| Mindcrank (10 variants) | 866 |
| Minimus Containment (22 variants) | 34 |
| Minsc & Boo, Timeless Heroes (22 variants) | 363 |