| Mana Breach (17 variants) | 85 |
| Mana Breach | 85★ |
| Mana Clash | 202★ |
| Mana Clash (17 variants) | 202 |
| Mana Short (17 variants) | 86 |
| Mana Short | 86★ |
| Marble Diamond (17 variants) | 306 |
| Marble Diamond | 306★ |
| Maro | 256★ |
| Maro (17 variants) | 256 |
| Master Healer | 27★ |
| Master Healer (17 variants) | 27 |
| Mawcor | 87★ |
| Mawcor (17 variants) | 87 |
| Meekstone (17 variants) | 307 |
| Meekstone | 307★ |
| Megrim (17 variants) | 146 |
| Megrim | 146★ |
| Memory Lapse (17 variants) | 88 |
| Memory Lapse | 88★ |
| Merfolk Looter | 89★ |
| Merfolk Looter (17 variants) | 89 |
| Merfolk of the Pearl Trident (17 variants) | 90 |
| Merfolk of the Pearl Trident | 90★ |
| Might of Oaks (17 variants) | 257 |
| Might of Oaks | 257★ |
| Millstone | 308★ |
| Millstone (17 variants) | 308 |
| Mind Rot | 147★ |
| Mind Rot (17 variants) | 147 |
| Monstrous Growth (17 variants) | 258 |
| Monstrous Growth | 258★ |
| Moss Diamond (17 variants) | 309 |
| Moss Diamond | 309★ |
| Mountain (17 variants) | 338 |
| Mountain | 339★ |
| Mountain (17 variants) | 340 |
| Mountain | 340★ |
| Mountain (16 variants) | 337 |
| Mountain | 337★ |
| Mountain | 338★ |
| Mountain (17 variants) | 339 |
| Nature's Resurgence | 259★ |
| Nature's Resurgence (17 variants) | 259 |
| Nature's Revolt (17 variants) | 260 |
| Nature's Revolt | 260★ |
| Nausea (17 variants) | 148 |
| Nausea | 148★ |
| Necrologia | 149★ |
| Necrologia (17 variants) | 149 |