| Juggernaut (18 variants) | 328 |
| Kamahl, Pit Fighter | 214★ |
| Kamahl, Pit Fighter (9 variants) | 214 |
| Karplusan Forest (18 variants) | 354 |
| Karplusan Strider (18 variants) | 272 |
| Kavu Climber (18 variants) | 273 |
| Kjeldoran Royal Guard (18 variants) | 25 |
| Knight of Dusk (18 variants) | 152 |
| Kraken's Eye (18 variants) | 329 |
| Lava Axe (18 variants) | 215 |
| Lavaborn Muse (18 variants) | 216 |
| Legacy Weapon (18 variants) | 330 |
| Leonin Scimitar | 331★ |
| Leonin Scimitar (9 variants) | 331 |
| Lightning Elemental | 217★ |
| Lightning Elemental (9 variants) | 217 |
| Llanowar Elves (18 variants) | 274 |
| Llanowar Sentinel (18 variants) | 275 |
| Llanowar Wastes (18 variants) | 355 |
| Looming Shade (18 variants) | 153 |
| Lord of the Pit (9 variants) | 154 |
| Lord of the Pit | 154★ |
| Lord of the Undead (18 variants) | 155 |
| Loxodon Mystic (18 variants) | 26 |
| Loxodon Warhammer (9 variants) | 332 |
| Loxodon Warhammer | 332★ |
| Loyal Sentry (18 variants) | 27 |
| Lumengrid Warden (18 variants) | 89 |
| Luminesce (18 variants) | 28 |
| Lure (9 variants) | 276 |
| Lure | 276★ |
| Mahamoti Djinn (9 variants) | 90 |
| Mahamoti Djinn | 90★ |
| Manabarbs (18 variants) | 218 |
| Mantis Engine (9 variants) | 333 |
| Mantis Engine | 333★ |
| March of the Machines | 91★ |
| March of the Machines (9 variants) | 91 |
| Mass of Ghouls (18 variants) | 156 |
| Megrim (18 variants) | 157 |
| Merfolk Looter (18 variants) | 92 |
| Midnight Ritual (18 variants) | 158 |
| Might of Oaks (18 variants) | 277 |
| Might Weaver (9 variants) | 278 |
| Might Weaver | 278★ |
| Millstone (18 variants) | 334 |
| Mind Bend | 93★ |
| Mind Bend (9 variants) | 93 |
| Mind Rot (18 variants) | 159 |
| Mind Stone (18 variants) | 335 |