| No Escape (7 variants) | 328 |
| Not Forgotten (7 variants) | 222 |
| Oashra Cultivator (7 variants) | 697 |
| Oathsworn Vampire (7 variants) | 70 |
| Ob Nixilis, the Hate-Twisted (7 variants) | 450 |
| Ob Nixilis's Cruelty (7 variants) | 451 |
| Octoprophet (7 variants) | 329 |
| Ogre Battlecaster (7 variants) | 36 |
| Ogre Slumlord (7 variants) | 71 |
| Ondu Giant (7 variants) | 698 |
| One With the Wind (7 variants) | 330 |
| Oneirophage (7 variants) | 331 |
| Ophiomancer (7 variants) | 452 |
| Opt (7 variants) | 332 |
| Ordeal of Nylea (7 variants) | 699 |
| Ordeal of Purphoros (7 variants) | 577 |
| Order of the Golden Cricket (7 variants) | 223 |
| Ornery Dilophosaur (7 variants) | 700 |
| Ossuary Rats (7 variants) | 24 |
| Outnumber (7 variants) | 578 |
| Overcome (7 variants) | 701 |
| Overgrowth (7 variants) | 702 |
| Oversold Cemetery (7 variants) | 453 |
| Overwhelmed Apprentice (7 variants) | 333 |
| Packsong Pup (7 variants) | 703 |
| Panharmonicon (7 variants) | 788 |
| Paradise Druid (7 variants) | 704 |
| Peacewalker Colossus (7 variants) | 96 |
| Perilous Voyage (7 variants) | 334 |
| Pestermite (7 variants) | 335 |
| Pestilent Wolf (7 variants) | 705 |
| Phalanx Tactics (7 variants) | 224 |
| Phantom Nantuko (7 variants) | 706 |
| Phyrexian Debaser (7 variants) | 454 |
| Phyrexian Ironfoot (7 variants) | 789 |
| Phyrexian Plaguelord (7 variants) | 123 |
| Phyrexian Reclamation (7 variants) | 124 |
| Pierce Strider (7 variants) | 790 |
| Pilfering Hawk (7 variants) | 336 |
| Pilgrim of the Ages (7 variants) | 225 |
| Pilgrim's Eye (7 variants) | 791 |
| Pillar of Flame (7 variants) | 579 |
| Pillardrop Rescuer (7 variants) | 226 |
| Pious Wayfarer (7 variants) | 227 |
| Piranha Marsh (7 variants) | 818 |
| Pirated Copy (7 variants) | 16 |
| Pit Keeper (7 variants) | 455 |
| Plague Spitter (7 variants) | 456 |
| Plaguecrafter (7 variants) | 72 |
| Plains (7 variants) | 98 |