| Persist (22 variants) | 96 |
| Patriarch's Bidding (23 variants) | 275 |
| Patchwork Gnomes (23 variants) | 299 |
| Parcel Myr (22 variants) | 54 |
| Out of Time (12 variants) | 442 |
| Out of Time (22 variants) | 23 |
| Out of Time (23 variants) | 383 |
| Ornithopter of Paradise (23 variants) | 430 |
| Ornithopter of Paradise (22 variants) | 232 |
| Orchard Strider (22 variants) | 169 |
| Obsidian Charmaw (22 variants) | 137 |
| Obsidian Charmaw (22 variants) | 353 |
| Nykthos Paragon (22 variants) | 22 |
| Nykthos Paragon (22 variants) | 331 |
| Nevinyrral's Disk (23 variants) | 298 |
| Nettlecyst (12 variants) | 471 |
| Nettlecyst (22 variants) | 231 |
| Nested Shambler (23 variants) | 399 |
| Nested Shambler (22 variants) | 95 |
| Necromancer's Familiar (22 variants) | 94 |
| Necrogoyf (23 variants) | 398 |
| Necrogoyf (12 variants) | 451 |
| Necrogoyf (22 variants) | 93 |
| Mystic Redaction (22 variants) | 338 |
| Mystic Redaction (22 variants) | 53 |
| Myr Scrapling (22 variants) | 230 |
| Murktide Regent (22 variants) | 337 |
| Murktide Regent (22 variants) | 52 |
| Mountain (23 variants) | 487 |
| Mountain (23 variants) | 488 |
| Mount Velus Manticore (22 variants) | 136 |
| Monoskelion (22 variants) | 229 |
| Monoskelion (23 variants) | 429 |
| Mogg Salvage (23 variants) | 282 |
| Moderation (22 variants) | 371 |
| Moderation (22 variants) | 206 |
| Misty Rainforest (22 variants) | 250 |
| Misty Rainforest (23 variants) | 438 |
| Misty Rainforest (12 variants) | 477 |
| Mistvault Bridge (22 variants) | 249 |
| Mishra's Factory (22 variants) | 326 |
| Mishra's Factory (23 variants) | 302 |
| Mirari's Wake (22 variants) | 320 |
| Mirari's Wake (23 variants) | 291 |
| Mine Collapse (22 variants) | 135 |
| Mine Collapse (23 variants) | 408 |
| Millikin (23 variants) | 297 |
| Mental Journey (22 variants) | 51 |
| Master of Death (12 variants) | 465 |
| Master of Death (22 variants) | 205 |