| Lord of the Pit (2 variants) | 893 |
| Lord of the Pit | 715 |
| Lord of the Pit (2 variants) | 1857 |
| Lord of the Undead (2 variants) | 1046 |
| Lord Windgrace | 1184 |
| Lotus Cobra (2 variants) | 1223 |
| Lotus Petal | 7033 |
| Lotus Petal | 7036 |
| Lotus Petal | 7035 |
| Lotus Petal | 7031 |
| Lotus Petal | 7034 |
| Lotus Petal | 7037 |
| Lotus Petal | 7032 |
| Loxodon Gatekeeper (2 variants) | 2358 |
| Loxodon Gatekeeper (2 variants) | 2354 |
| Loxodon Warhammer (2 variants) | 1034 |
| Lucas, the Sharpshooter (2 variants) | 344 |
| Lucille | 581 |
| Lucy MacLean, Positively Armed (2 variants) | 2447 |
| Lurking Crocodile (2 variants) | 590 |
| Lys Alana Huntmaster | 772 |
| Maddening Cacophony (2 variants) | 2674 |
| Maddening Cacophony | 2337 |
| Maddening Cacophony (2 variants) | 2322 |
| Maddening Hex (2 variants) | 2675 |
| Maelstrom Wanderer (2 variants) | 1319 |
| Magda, Brazen Outlaw (2 variants) | 1688 |
| Magical Hack | 2141 |
| Magma Sliver | 641 |
| Magus of the Moon (2 variants) | 1761 |
| Magus of the Wheel (2 variants) | 1166 |
| Mana Confluence (2 variants) | 1012a |
| Mana Geyser (2 variants) | 1821 |
| Mana Vault | 796★ |
| Managorger Hydra (2 variants) | 306 |
| Manamorphose (2 variants) | 1746 |
| Manaweft Sliver | 650 |
| Marchesa, the Black Rose (2 variants) | 1452 |
| Marchesa, the Black Rose (2 variants) | 2009 |
| Marit Lage (2 variants) | 1681 |
| Maro | 719 |
| Maro | 718 |
| Marrow-Gnawer | 34 |
| Marwyn, the Nurturer | 1960 |
| Mask of Memory (2 variants) | 2309 |
| Maskwood Nexus | 1904 |
| Mass Hysteria (2 variants) | 1426 |
| Massacre (2 variants) | 9991 |
| Massacre Girl (2 variants) | 1233 |
| Master of Ceremonies (2 variants) | 2379 |