| Mayael's Aria (10 variants) | 253 |
| Mayael's Aria (5 variants) | 524 |
| Mentor of the Meek (10 variants) | 340 |
| Mentor of the Meek (10 variants) | 17 |
| Might of Old Krosa (10 variants) | 153 |
| Mikaeus, the Lunarch (10 variants) | 18 |
| Mikaeus, the Lunarch (5 variants) | 419 |
| Militia Bugler (10 variants) | 19 |
| Mindwrack Liege (10 variants) | 255 |
| Mindwrack Liege (5 variants) | 526 |
| Mistfire Adept (10 variants) | 59 |
| Mistmeadow Witch (10 variants) | 256 |
| Mizzix of the Izmagnus (10 variants) | 257 |
| Mizzix of the Izmagnus (5 variants) | 527 |
| Momentary Blink (10 variants) | 20 |
| Monastery Mentor (5 variants) | 420 |
| Monastery Mentor (10 variants) | 21 |
| Monastery Swiftspear (10 variants) | 362 |
| Monastery Swiftspear (10 variants) | 119 |
| Muldrotha, the Gravetide (10 variants) | 384 |
| Muldrotha, the Gravetide (10 variants) | 258 |
| Muldrotha, the Gravetide (5 variants) | 528 |
| Mulldrifter (10 variants) | 60 |
| Mulldrifter (10 variants) | 349 |
| Murkfiend Liege (5 variants) | 529 |
| Murkfiend Liege (10 variants) | 259 |
| Myth Realized (10 variants) | 22 |
| Necrotic Ooze (10 variants) | 83 |
| Necrotic Ooze (5 variants) | 441 |
| Nephalia Smuggler (10 variants) | 61 |
| Nicol Bolas, God-Pharaoh (5 variants) | 530 |
| Nicol Bolas, God-Pharaoh (10 variants) | 260 |
| Nim Deathmantle (10 variants) | 309 |
| Nim Deathmantle (5 variants) | 561 |
| Ob Nixilis, Unshackled (10 variants) | 84 |
| Ob Nixilis, Unshackled (5 variants) | 442 |
| Oona's Prowler (10 variants) | 85 |
| Oona's Prowler (5 variants) | 443 |
| Oracle of Mul Daya (10 variants) | 154 |
| Oracle of Mul Daya (10 variants) | 370 |
| Oracle of Mul Daya (5 variants) | 464 |
| Orzhov Basilica (10 variants) | 409 |
| Orzhov Basilica (10 variants) | 327 |
| Orzhov Pontiff (10 variants) | 261 |
| Panharmonicon (10 variants) | 310 |
| Panharmonicon (5 variants) | 562 |
| Panharmonicon (10 variants) | 395 |
| Path to Exile (10 variants) | 23 |
| Phyrexian Altar (10 variants) | 396 |
| Phyrexian Altar (10 variants) | 311 |