| Krenko, Mob Boss (7 variants) | 564 |
| Kujar Seedsculptor (7 variants) | 685 |
| Kuldotha Flamefiend (7 variants) | 565 |
| Kwende, Pride of Femeref (7 variants) | 205 |
| Lathliss, Dragon Queen (7 variants) | 566 |
| Launch Mishap (7 variants) | 14 |
| Lava Serpent (7 variants) | 567 |
| Lavastep Raider (7 variants) | 568 |
| Law-Rune Enforcer (7 variants) | 206 |
| Lay Claim (7 variants) | 312 |
| Leave in the Dust (7 variants) | 313 |
| Leechridden Swamp (7 variants) | 137 |
| Leonin Scimitar (7 variants) | 782 |
| Leonin Snarecaster (7 variants) | 207 |
| Leonin Warleader (7 variants) | 208 |
| Library Larcenist (7 variants) | 314 |
| Light of Hope (7 variants) | 209 |
| Lightning Axe (7 variants) | 569 |
| Liliana, Death's Majesty (7 variants) | 433 |
| Liliana's Elite (7 variants) | 434 |
| Liliana's Mastery (7 variants) | 435 |
| Liliana's Steward (7 variants) | 436 |
| Lita, Mechanical Engineer (7 variants) | 6 |
| Littjara Kinseekers (7 variants) | 315 |
| Locthwain Gargoyle (7 variants) | 783 |
| Lookout's Dispersal (7 variants) | 316 |
| Lord of the Accursed (7 variants) | 69 |
| Loxodon Warhammer (7 variants) | 784 |
| Lumengrid Sentinel (7 variants) | 317 |
| Lurking Deadeye (7 variants) | 437 |
| Lyra Dawnbringer (7 variants) | 210 |
| Lys Alana Huntmaster (7 variants) | 686 |
| Maalfeld Twins (7 variants) | 438 |
| Mad Ratter (7 variants) | 570 |
| Magmatic Channeler (7 variants) | 571 |
| Magnanimous Magistrate (7 variants) | 7 |
| Magnifying Glass (7 variants) | 95 |
| Make a Stand (7 variants) | 211 |
| Mammoth Spider (7 variants) | 687 |
| Manakin (7 variants) | 785 |
| Mantle of Tides (7 variants) | 318 |
| Marauding Blight-Priest (7 variants) | 439 |
| Marauding Boneslasher (7 variants) | 440 |
| Mardu Heart-Piercer (7 variants) | 572 |
| Marit Lage's Slumber (7 variants) | 319 |
| Markov Warlord (7 variants) | 573 |
| Martyr's Soul (7 variants) | 212 |
| Massacre Wurm (7 variants) | 441 |
| Master of the Wild Hunt (7 variants) | 688 |
| Master's Rebuke (7 variants) | 689 |