| Oppression (2 variants) | 1424 |
| Opt (2 variants) | 111 |
| Opt (2 variants) | 2068 |
| Orcish Lumberjack (2 variants) | 2025 |
| Orim's Chant (2 variants) | 2669 |
| Ornithopter | 604 |
| Orvar, the All-Form | 1683 |
| Orzhov Signet (2 variants) | 294 |
| Otherworldly Gaze (2 variants) | 2069 |
| Oubliette (2 variants) | 1794 |
| Overgrown Tomb | 130 |
| Pack Rat | 35 |
| Pack Rat (2 variants) | 1448 |
| Pack Rat | 1307 |
| Painful Truths (2 variants) | 2302 |
| Palladia-Mors | 1071 |
| Panharmonicon | 605 |
| Paradise Druid | 775 |
| Paradise Mantle (2 variants) | 1236 |
| Parhelion II // Parhelion II (2 variants) | 1964 |
| Pariah | 1839 |
| Pashalik Mons | 2408 |
| Passionate Archaeologist (2 variants) | 2220 |
| Past in Flames (2 variants) | 2303 |
| Patchwork Banner (2 variants) | 2466 |
| Path of Ancestry (2 variants) | 2684 |
| Path of Ancestry | 914 |
| Path of Ancestry (2 variants) | 250 |
| Path to Exile (2 variants) | 477 |
| Path to Exile (2 variants) | 226 |
| Path to Exile (2 variants) | 2227 |
| Pathbreaker Ibex (2 variants) | 307 |
| Patron Wizard (2 variants) | 1002 |
| Peacewalker Colossus // Peacewalker Colossus (2 variants) | 1966 |
| Peek | 401 |
| Peer into the Abyss (2 variants) | 2021 |
| Peer into the Abyss (2 variants) | 2002 |
| Peregrine Drake | 1488 |
| Peregrine Drake | 1488★ |
| Pernicious Deed (2 variants) | 1777 |
| Persistent Petitioners | 597 |
| Persistent Petitioners | 596 |
| Persistent Petitioners | 600 |
| Persistent Petitioners | 599 |
| Persistent Petitioners | 601 |
| Persistent Petitioners | 598 |
| Persistent Petitioners | 593 |
| Persistent Petitioners | 595 |
| Personal Tutor (2 variants) | 2492 |
| Phage the Untouchable | 1195 |