| Pact Weapon (8 variants) | 576 |
| Pact Weapon (22 variants) | 139 |
| Pack Attack (22 variants) | 190 |
| Owlbear Shepherd (22 variants) | 247 |
| Owlbear Cub (22 variants) | 246 |
| Owlbear Cub (8 variants) | 592 |
| Overwhelming Encounter (22 variants) | 245 |
| Overcharged Amalgam (10 variants) | 729 |
| Outpost Siege (10 variants) | 804 |
| Orzhov Signet (10 variants) | 867 |
| Orzhov Basilica (10 variants) | 906 |
| Order of Whiteclay (10 variants) | 703 |
| Oji, the Exquisite Blade (22 variants) | 436 |
| Oji, the Exquisite Blade (22 variants) | 290 |
| Oji, the Exquisite Blade | 547 |
| Oceanus Dragon (22 variants) | 87 |
| Nothic (22 variants) | 138 |
| Noble's Purse (22 variants) | 331 |
| Noble Heritage | 478 |
| Noble Heritage (22 variants) | 35 |
| Niv-Mizzet, Parun (10 variants) | 851 |
| Nine-Fingers Keene (22 variants) | 435 |
| Nine-Fingers Keene (22 variants) | 289 |
| Nine-Fingers Keene | 546 |
| Nimblewright Schematic (22 variants) | 330 |
| Nimbleclaw Adept (22 variants) | 86 |
| Nihilith (10 variants) | 765 |
| Nighthowler (10 variants) | 764 |
| Nighthawk Scavenger (10 variants) | 763 |
| Nephalia Drownyard (10 variants) | 905 |
| Nemesis Phoenix (22 variants) | 189 |
| Nemesis Phoenix (22 variants) | 403 |
| Nemesis of Reason (10 variants) | 850 |
| Nefarious Imp (22 variants) | 137 |
| Neera, Wild Mage | 545 |
| Neera, Wild Mage (22 variants) | 288 |
| Neera, Wild Mage (22 variants) | 434 |
| Navigation Orb (22 variants) | 329 |
| Nautiloid Ship (22 variants) | 373 |
| Nautiloid Ship (22 variants) | 328 |
| Nature's Lore (22 variants) | 244 |
| Natural Reclamation (10 variants) | 829 |
| Nalia de'Arnise (8 variants) | 643 |
| Nalia de'Arnise (12 variants) | 649 |
| Nalia de'Arnise | 934 |
| Nalfeshnee (10 variants) | 678 |
| Nalfeshnee (4 variants) | 632 |
| Mystery Key (22 variants) | 85 |
| Myrkul's Invoker (22 variants) | 136 |
| Myrkul's Edict (22 variants) | 135 |