| Piranha Marsh (18 variants) | 222 |
| Pillarfield Ox (18 variants) | 31 |
| Paralyzing Grasp (18 variants) | 58 |
| Oran-Rief, the Vastwood (18 variants) | 221 |
| Oran-Rief Survivalist (18 variants) | 174 |
| Oran-Rief Recluse (18 variants) | 173 |
| Oracle of Mul Daya (18 variants) | 172 |
| Ondu Cleric (18 variants) | 30 |
| Obsidian Fireheart (18 variants) | 140 |
| Ob Nixilis, the Fallen (18 variants) | 107 |
| Noble Vestige (18 variants) | 29 |
| Nissa's Chosen (18 variants) | 171 |
| Nissa Revane (18 variants) | 170 |
| Nimbus Wings (18 variants) | 28 |
| Nimana Sell-Sword (18 variants) | 106 |
| Needlebite Trap (18 variants) | 105 |
| Narrow Escape (18 variants) | 27 |
| Murasa Pyromancer (18 variants) | 139 |
| Mountain | 244a |
| Mountain | 242a |
| Mountain | 243a |
| Mountain (2 variants) | 244 |
| Mountain | 245a |
| Mountain (2 variants) | 243 |
| Mountain (2 variants) | 245 |
| Mountain (2 variants) | 242 |
| Molten Ravager (18 variants) | 138 |
| Mold Shambler (18 variants) | 169 |
| Misty Rainforest (18 variants) | 220 |
| Mire Blight (18 variants) | 104 |
| Mindless Null (18 variants) | 103 |
| Mindbreak Trap (18 variants) | 57 |
| Mind Sludge (18 variants) | 102 |
| Merfolk Wayfinder (18 variants) | 56 |
| Merfolk Seastalkers (18 variants) | 55 |
| Marsh Flats (18 variants) | 219 |
| Marsh Casualties (18 variants) | 101 |
| Mark of Mutiny (18 variants) | 137 |
| Malakir Bloodwitch (18 variants) | 100 |
| Makindi Shieldmate (18 variants) | 26 |
| Magosi, the Waterveil (18 variants) | 218 |
| Magma Rift (18 variants) | 136 |
| Luminarch Ascension (18 variants) | 25 |
| Lullmage Mentor (18 variants) | 54 |
| Lotus Cobra (18 variants) | 168 |
| Lorthos, the Tidemaker (18 variants) | 53 |
| Living Tsunami (18 variants) | 52 |
| Lethargy Trap (18 variants) | 51 |
| Lavaball Trap (18 variants) | 135 |
| Landbind Ritual (18 variants) | 24 |