| Mana Drain (18 variants) | 80 |
| Mana Confluence | 721 |
| Malcolm, Keen-Eyed Navigator (9 variants) | 560 |
| Malcolm, Keen-Eyed Navigator (18 variants) | 79 |
| Makeshift Munitions (18 variants) | 191 |
| Make a Stand (18 variants) | 32 |
| Magus of the Order (8 variants) | 682 |
| Magus of the Order (18 variants) | 242 |
| Maelstrom Wanderer (9 variants) | 526 |
| Maelstrom Colossus (18 variants) | 322 |
| Maalfeld Twins (18 variants) | 132 |
| Lys Alana Bowmaster (18 variants) | 241 |
| Lumengrid Gargoyle (18 variants) | 321 |
| Ludevic, Necro-Alchemist (9 variants) | 525 |
| Loxodon Warhammer (19 variants) | 465 |
| Loreseeker's Stone (18 variants) | 320 |
| Livio, Oathsworn Sentinel (18 variants) | 31 |
| Livio, Oathsworn Sentinel (9 variants) | 551 |
| Lightning-Rig Crew (18 variants) | 190 |
| Lifecrafter's Gift (18 variants) | 240 |
| Liesa, Shroud of Dusk (9 variants) | 606 |
| Liesa, Shroud of Dusk (18 variants) | 286 |
| Lathiel, the Bounteous Dawn (18 variants) | 285 |
| Lathiel, the Bounteous Dawn (9 variants) | 605 |
| Laboratory Drudge (18 variants) | 78 |
| Laboratory Drudge (8 variants) | 636 |
| Kydele, Chosen of Kruphix (9 variants) | 524 |
| Kwain, Itinerant Meddler (18 variants) | 284 |
| Kwain, Itinerant Meddler (9 variants) | 604 |
| Kraum, Ludevic's Opus (9 variants) | 523 |
| Krark, the Thumbless (18 variants) | 189 |
| Krark, the Thumbless (9 variants) | 574 |
| Kor Cartographer (19 variants) | 377 |
| Kor Cartographer (18 variants) | 30 |
| Kodama's Reach (19 variants) | 429 |
| Kodama's Reach (8 variants) | 681 |
| Kodama of the East Tree (9 variants) | 582 |
| Kodama of the East Tree (18 variants) | 239 |
| Kitesail Skirmisher (18 variants) | 77 |
| Kitesail Corsair (18 variants) | 76 |
| Kinsbaile Courier (18 variants) | 29 |
| Khalni Heart Expedition (19 variants) | 428 |
| Keskit, the Flesh Sculptor (18 variants) | 131 |
| Keskit, the Flesh Sculptor (9 variants) | 565 |
| Keleth, Sunmane Familiar (9 variants) | 550 |
| Keleth, Sunmane Familiar (18 variants) | 28 |
| Keeper of the Accord (18 variants) | 27 |
| Keeper of the Accord (8 variants) | 621 |
| Kediss, Emberclaw Familiar (18 variants) | 188 |
| Kediss, Emberclaw Familiar (9 variants) | 573 |