| 272 | Niambi, Faithful Healer | Greg Opalinski | White/Blue | R | Dominaria |
| 236 | Nicanzil, Current Conductor | Fariba Khamseh | Blue/Green | U | The Lost Caverns of Ixalan |
| 306 | Nicanzil, Current Conductor | Cabrol | Blue/Green | U | The Lost Caverns of Ixalan |
| 35 | Nick Valentine, Private Eye | Viko Menezes | Blue | R | Magic The Gathering—Fallout |
| 378 | Nick Valentine, Private Eye | Viko Menezes | Blue | R | Magic The Gathering—Fallout |
| Nicol Bolas | Edward Beard, Jr. | Blue/Black/Red | R | Chronicles |
| Nicol Bolas | Edward Beard, Jr. | Blue/Black/Red | R | Legends |
| 10 | Nicol Bolas | D. Alexander Gregory | Blue/Black/Red | R | From the Vault: Dragons |
| 98 | Nicol Bolas | Edward P. Beard, Jr. | Blue/Black/Red | S | Time Spiral "Timeshifted" |
| 163 | Nicol Bolas | Edward P. Beard, Jr. | Blue/Black/Red | R | Masters Edition III |
| 209 | Nicol Bolas | D. Alexander Gregory | Blue/Black/Red | R | Masters 25 |
| 218 | Nicol Bolas, the Ravager | Svetlin Velinov | Blue/Black/Red | M | Core Set 2019 |
| 71 | Nighteyes the Desecrator | Jim Nelson | Black | U | Commander Anthology 2018 |
| 92 | Nighteyes the Desecrator | Jim Nelson | Black | U | Magic: The Gathering-Commander |
| 129 | Nighteyes the Desecrator | Jim Nelson | Black | U | Champions of Kamigawa |
| 53 | Nihiloor | Chris Rallis | White/Blue/Black | M | Adventures in the Forgotten Realms Commander |
| 323 | Nihiloor | Chris Rallis | White/Blue/Black | M | Adventures in the Forgotten Realms Commander |
| 3 | Nikara, Lair Scavenger | Grzegorz Rutkowski | Black | M | Ikoria Commander |
| 193 | Nikya of the Old Ways | Ryan Pancoast | Red/Green | R | Ravnica Allegiance |
| 20 | Nils, Discipline Enforcer | Magali Villeneuve | White | R | Commander 2021 |
| 347 | Nils, Discipline Enforcer | Magali Villeneuve | White | R | Commander 2021 |
| 183 | Nin, the Pain Artist | Brad Rigney | Blue/Red | R | Commander 2017 |
| 213 | Nin, the Pain Artist | Brad Rigney | Blue/Red | R | Magic: The Gathering-Commander |
| 289 | Nine-Fingers Keene | Nils Hamm | Blue/Black/Green | R | Commander Legends: Battle for Baldur's Gate |
| 435 | Nine-Fingers Keene | Justine Jones | Blue/Black/Green | R | Commander Legends: Battle for Baldur's Gate |
| 22 | Nissa, Resurgent Animist | Tuan Duong Chu | Green | M | March of the Machine: The Aftermath |
| 72 | Nissa, Resurgent Animist | Adam Rex | Green | M | March of the Machine: The Aftermath |
| 122 | Nissa, Resurgent Animist | Tuan Duong Chu | Green | M | March of the Machine: The Aftermath |
| 162 | Nissa, Resurgent Animist | Tuan Duong Chu | Green | M | March of the Machine: The Aftermath |
| 15 | Nissa, Vastwood Seer | Wesley Burt | Green | M | From the Vault: Transform |
| 189 | Nissa, Vastwood Seer | Wesley Burt | Green | M | Magic Origins |
| 53 | Niv-Mizzet Reborn | Illustranesia | White/Blue/Black/Red/Green | M | March of the Machine Multiverse Legends |
| 208 | Niv-Mizzet Reborn | Raymond Swanland | White/Blue/Black/Red/Green | M | War of the Spark |
| 459 | Niv-Mizzet Reborn | Raymond Swanland | White/Blue/Black/Red/Green | M | Ravnica Remastered |
| 175 | Niv-Mizzet, Dracogenius | Todd Lockwood | Blue/Red | R | Modern Masters 2017 Edition |
| 183 | Niv-Mizzet, Dracogenius | Todd Lockwood | Blue/Red | M | Return to Ravnica |
| 184 | Niv-Mizzet, Dracogenius | Todd Lockwood | Blue/Red | R | Commander 2017 |
| 220 | Niv-Mizzet, Guildpact | Chris Rallis | White/Blue/Black/Red/Green | R | Murders at Karlov Manor |
| 319 | Niv-Mizzet, Guildpact | Alix Branwyn | White/Blue/Black/Red/Green | R | Murders at Karlov Manor |
| 368 | Niv-Mizzet, Guildpact | Alex Stone | White/Blue/Black/Red/Green | R | Murders at Karlov Manor |
| 192 | Niv-Mizzet, Parun | Svetlin Velinov | Blue/Red | R | Guilds of Ravnica |
| 207 | Niv-Mizzet, Parun | Svetlin Velinov | Blue/Red | R | Ravnica Remastered |
| 235 | Niv-Mizzet, Parun | Svetlin Velinov | Blue/Red | R | Outlaws of Thunder Junction Commander |
| 376 | Niv-Mizzet, Parun | Svetlin Velinov | Blue/Red | R | Ravnica Remastered |
| 438 | Niv-Mizzet, Parun | マルオユキヒロ/YUKIHIRO MARUO | Blue/Red | R | Ravnica Remastered |
| 851 | Niv-Mizzet, Parun | Svetlin Velinov | Blue/Red | R | Commander Legends: Battle for Baldur's Gate |
| 40 | Niv-Mizzet, Supreme | Joshua Raphael | White/Blue/Black/Red/Green | R | March of the Machine: The Aftermath |
| 90 | Niv-Mizzet, Supreme | Isis | White/Blue/Black/Red/Green | R | March of the Machine: The Aftermath |
| 140 | Niv-Mizzet, Supreme | Joshua Raphael | White/Blue/Black/Red/Green | R | March of the Machine: The Aftermath |
| 175 | Niv-Mizzet, Supreme | Joshua Raphael | White/Blue/Black/Red/Green | R | March of the Machine: The Aftermath |
| 219 | Niv-Mizzet, Supreme | Isis | White/Blue/Black/Red/Green | R | March of the Machine: The Aftermath |
| 1 | Niv-Mizzet, the Firemind | Svetlin Velinov | Blue/Red | M | Duel Decks: Izzet vs. Golgari |
| 11 | Niv-Mizzet, the Firemind | Todd Lockwood | Blue/Red | R | From the Vault: Dragons |
| 26 | Niv-Mizzet, the Firemind | Daarken | Blue/Red | R | Guild Kit: Izzet |
| 123 | Niv-Mizzet, the Firemind | Todd Lockwood | Blue/Red | R | Guildpact |
| 182 | Niv-Mizzet, the Firemind | Todd Lockwood | Blue/Red | R | Modern Masters 2015 Edition |
| 185 | Niv-Mizzet, the Firemind | Todd Lockwood | Blue/Red | R | Commander 2017 |
| 210 | Niv-Mizzet, the Firemind | Todd Lockwood | Blue/Red | R | Masters 25 |
| 225 | Niv-Mizzet, the Firemind | Todd Lockwood | Blue/Red | R | Ikoria Commander |
| 467 | Niv-Mizzet, the Firemind | Todd Lockwood | Blue/Red | R | Ravnica Remastered |
| 4 | Nogi, Draco-Zealot | Dmitry Burmak | Red | M | Game Night: Free-For-All |
| 31 | Norika Yamazaki, the Poet | Magali Villeneuve | White | U | Kamigawa: Neon Dynasty |
| 311 | Norika Yamazaki, the Poet | XIAJI/YANGYANG | White | U | Kamigawa: Neon Dynasty |
| 171 | Norin the Wary | Heather Hudson | Red | R | Time Spiral |
| 216 | Noyan Dar, Roil Shaper | Karl Kopinski | White/Blue | R | Battle for Zendikar |
| 71 | Numa, Joraga Chieftain | Kieran Yanner | Green | U | Kaldheim Commander |
| 246 | Numa, Joraga Chieftain | Kieran Yanner | Green | U | Commander Legends |
| 583 | Numa, Joraga Chieftain | Kieran Yanner | Green | U | Commander Legends |
| 160 | Numot, the Devastator | Dan Dos Santos | White/Blue/Red | R | Planar Chaos |
| 215 | Numot, the Devastator | Dan Dos Santos | White/Blue/Red | R | Magic: The Gathering-Commander |
| 80 | Nylea, God of the Hunt | Jason A. Engle | Green | M | Secret Lair Drop |
| 166 | Nylea, God of the Hunt | Chris Rahn | Green | M | Theros |
| 185 | Nylea, Keen-Eyed | Chris Rahn | Green | M | Theros Beyond Death |
| 141 | Nymris, Oona's Trickster | Johannes Voss | Blue/Black | R | Wilds of Eldraine Commander |
| 288 | Nymris, Oona's Trickster | Johannes Voss | Blue/Black | R | Commander Legends |
| 608 | Nymris, Oona's Trickster | Johannes Voss | Blue/Black | R | Commander Legends |
| 51 | Nyssa of Traken | Irina Nordsol | Blue | R | Doctor Who Commander |
| 366 | Nyssa of Traken | Irina Nordsol | Blue | R | Doctor Who Commander |
| 41 | Ob Nixilis, Captive Kingpin | Zezhou Chen | Black/Red | M | March of the Machine: The Aftermath |
| 91 | Ob Nixilis, Captive Kingpin | Krharts | Black/Red | M | March of the Machine: The Aftermath |
| 141 | Ob Nixilis, Captive Kingpin | Zezhou Chen | Black/Red | M | March of the Machine: The Aftermath |
| 176 | Ob Nixilis, Captive Kingpin | Zezhou Chen | Black/Red | M | March of the Machine: The Aftermath |
| 220 | Ob Nixilis, Captive Kingpin | Krharts | Black/Red | M | March of the Machine: The Aftermath |
| 101 | Ob Nixilis, the Fallen | Jason Felix | Black | M | Iconic Masters |
| 107 | Ob Nixilis, the Fallen | Jason Felix | Black | M | Zendikar |
| 84 | Ob Nixilis, Unshackled | Karl Kopinski | Black | R | Double Masters 2022 |
| 110 | Ob Nixilis, Unshackled | Karl Kopinski | Black | R | Magic 2015 Core Set |
| 442 | Ob Nixilis, Unshackled | Karl Kopinski | Black | R | Double Masters 2022 |
| 289 | Obeka, Brute Chronologist | Jesper Ejsing | Blue/Black/Red | R | Commander Legends |
| 609 | Obeka, Brute Chronologist | Jesper Ejsing | Blue/Black/Red | R | Commander Legends |
| 222 | Obeka, Splitter of Seconds | Ryan Pancoast | Blue/Black/Red | R | Outlaws of Thunder Junction |
| 358 | Obeka, Splitter of Seconds | Ryan Pancoast | Blue/Black/Red | R | Outlaws of Thunder Junction |
| 54 | Obosh, the Preypiercer | Denis Medri | Black/Red | R | March of the Machine Multiverse Legends |
| 228 | Obosh, the Preypiercer | Daarken | Black/Red | R | Ikoria: Lair of Behemoths |
| 2 | Obuun, Mul Daya Ancestor | Chris Rallis | White/Red/Green | M | Zendikar Rising Commander |
| 7 | Obuun, Mul Daya Ancestor | Chris Rallis | White/Red/Green | M | Zendikar Rising Commander |
| 210 | Obyra, Dreaming Duelist | Evyn Fong | Blue/Black | U | Wilds of Eldraine |
| 176 | Obzedat, Ghost Council | Svetlin Velinov | White/Black | R | Modern Masters 2017 Edition |
| 182 | Obzedat, Ghost Council | Svetlin Velinov | White/Black | M | Gatecrash |
| 29 | Octavia, Living Thesis | Simon Dominic | Blue | R | Commander 2021 |
| 103 | Octavia, Living Thesis | Simon Dominic | Blue | R | Outlaws of Thunder Junction Commander |
| 356 | Octavia, Living Thesis | Simon Dominic | Blue | R | Commander 2021 |
| 243 | Odric, Blood-Cursed | Chris Rallis | White/Red | R | Innistrad: Crimson Vow |
| 314 | Odric, Blood-Cursed | Anna Pavleeva | White/Red | R | Innistrad: Crimson Vow |
| 31 | Odric, Lunarch Marshal | Chase Stone | White | R | Shadows over Innistrad |
| 39 | Odric, Lunarch Marshal | Chase Stone | White | R | Shadows Over Innistrad Remastered |
| 95 | Odric, Lunarch Marshal | Chase Stone | White | R | Ikoria Commander |
| 103 | Odric, Lunarch Marshal | Chase Stone | White | R | Dominaria United Commander |
| 379 | Odric, Lunarch Marshal | Chase Stone | White | R | Commander Legends |
| 17 | Odric, Master Tactician | Michael Komarck | White | R | Archenemy: Nicol Bolas |
| 23 | Odric, Master Tactician | Michael Komarck | White | R | Magic 2013 |
| 46 | Odric, Master Tactician | Michael Komarck | White | R | Commander Masters |
| 90 | Odric, Master Tactician | Michael Komarck | White | R | Innistrad: Midnight Hunt Commander |
| 96 | Odric, Master Tactician | Michael Komarck | White | R | Ikoria Commander |
| 468 | Odric, Master Tactician | Michael Komarck | White | R | Commander Masters |
| 20 | Oglor, Devoted Assistant | Michele Giorgi | Blue | M | Innistrad: Midnight Hunt Alchemy |
| 210 | Ognis, the Dragon's Lash | Andreas Zafiratos | Black/Red/Green | R | Streets of New Capenna |
| 325 | Ognis, the Dragon's Lash | Shawn Pagels | Black/Red/Green | R | Streets of New Capenna |
| 390 | Ognis, the Dragon's Lash | Shawn Pagels | Black/Red/Green | R | Streets of New Capenna |
| 36 | Ohabi Caleria | Nestor Ossandon Leal | White/Green | R | Dominaria United Commander |
| 158 | Ojer Axonil, Deepest Might | Victor Adame Minguez | Red | M | The Lost Caverns of Ixalan |
| 317 | Ojer Axonil, Deepest Might | Clint Lockwood | Red | M | The Lost Caverns of Ixalan |
| 204 | Ojer Kaslem, Deepest Growth | Ryan Pancoast | Green | M | The Lost Caverns of Ixalan |
| 318 | Ojer Kaslem, Deepest Growth | Clint Lockwood | Green | M | The Lost Caverns of Ixalan |
| 67 | Ojer Pakpatiq, Deepest Epoch | Chris Rahn | Blue | M | The Lost Caverns of Ixalan |
| 315 | Ojer Pakpatiq, Deepest Epoch | Clint Lockwood | Blue | M | The Lost Caverns of Ixalan |
| 26 | Ojer Taq, Deepest Foundation | Cristi Balanescu | White | M | The Lost Caverns of Ixalan |
| 314 | Ojer Taq, Deepest Foundation | Clint Lockwood | White | M | The Lost Caverns of Ixalan |
| 246 | Oji, the Exquisite Blade | Andreas Zafiratos | White/Blue | U | Alchemy Horizons: Baldur's Gate |
| 284 | Oji, the Exquisite Blade | Pedro Potier | White/Blue | U | Alchemy Horizons: Baldur's Gate |
| 290 | Oji, the Exquisite Blade | Andreas Zafiratos | White/Blue | U | Commander Legends: Battle for Baldur's Gate |
| 436 | Oji, the Exquisite Blade | Pedro Potier | White/Blue | U | Commander Legends: Battle for Baldur's Gate |
| 156 | Ojutai, Soul of Winter | Chase Stone | White/Blue | R | Fate Reforged |
| 187 | Ojutai, Soul of Winter | Chase Stone | White/Blue | R | Commander 2017 |
| 45 | O-Kagachi, Vengeful Kami | Daarken | White/Blue/Black/Red/Green | M | Commander 2017 |
| 164 | O-Kagachi, Vengeful Kami | Daarken | White/Blue/Black/Red/Green | M | Dominaria United Commander |
| 6 | Okaun, Eye of Chaos | Yongjae Choi | Red | R | Battlebond |
| 5 | Oketra the True | Bastien L. Deharme | White | S | Masterpiece Series: Amonkhet Invocations |
| 21 | Oketra the True | Chase Stone | White | M | Amonkhet |
| 27 | Oketra the True | Chase Stone | White | M | Amonkhet Remastered |
| 134 | Ol' Buzzbark | Wayne Reynolds | Red/Green | M | Unstable |
| 233 | Olag, Ludevic's Hubris | Ryan Pancoast | Blue/Black | R | Innistrad: Midnight Hunt |
| 320 | Olag, Ludevic's Hubris | Milivoj Ćeran | Blue/Black | R | Innistrad: Midnight Hunt |
| 316 | Old Flitterfang | Chris Seaman | Black | U | Wilds of Eldraine |
| 197 | Old Gnawbone | Filip Burburan | Green | M | Adventures in the Forgotten Realms |
| 296 | Old Gnawbone | Randy Vargas | Green | M | Adventures in the Forgotten Realms |
| 217 | Old Man Willow | Miklós Ligeti | Black/Green | U | The Lord of the Rings: Tales of Middle Earth |
| 668 | Old Man Willow | Miklós Ligeti | Black/Green | U | The Lord of the Rings: Tales of Middle Earth |
| 96 | Old One Eye | Mathias Kollros | Green | R | Warhammer 40,000 Commander |
| 244 | Old Rutstein | Greg Staples | Black/Green | R | Innistrad: Crimson Vow |
| 326 | Old Rutstein | Mark Riddick | Black/Green | R | Innistrad: Crimson Vow |
| 234 | Old Stickfingers | Jehan Choo | Black/Green | R | Innistrad: Midnight Hunt |
| 321 | Old Stickfingers | DZO | Black/Green | R | Innistrad: Midnight Hunt |
| 177 | Olivia Voldaren | Eric Deschamps | Black/Red | M | Modern Masters 2017 Edition |
| 215 | Olivia Voldaren | Eric Deschamps | Black/Red | M | Innistrad |
| 245 | Olivia, Crimson Bride | Anna Steinbauer | Black/Red | M | Innistrad: Crimson Vow |
| 315 | Olivia, Crimson Bride | Xiaobotong | Black/Red | M | Innistrad: Crimson Vow |
| 343 | Olivia, Crimson Bride | Bastien L. Deharme | Black/Red | M | Innistrad: Crimson Vow |
| 239 | Olivia, Mobilized for War | Eric Deschamps | Black/Red | M | Shadows Over Innistrad Remastered |
| 248 | Olivia, Mobilized for War | Eric Deschamps | Black/Red | M | Shadows over Innistrad |
| 2 | Olivia, Opulent Outlaw | Anna Steinbauer | White/Black/Red | M | Outlaws of Thunder Junction Commander |
| 203 | Oloro, Ageless Ascetic | Eric Deschamps | White/Blue/Black | M | Commander 2013 Edition |
| 708 | Omarthis, Ghostfire Initiate | Brent Hollowell | | M | Commander Masters |
| 748 | Omarthis, Ghostfire Initiate | Brent Hollowell | | M | Commander Masters |
| 249 | Omnath, Locus of All | Bryan Sola | White/Blue/Black/Red/Green | R | March of the Machine |
| 313 | Omnath, Locus of All | Jessica Rossier | White/Blue/Black/Red/Green | R | March of the Machine |
| 387 | Omnath, Locus of All | Helge C. Balzer | White/Blue/Black/Red/Green | R | March of the Machine |
| 232 | Omnath, Locus of Creation | Chris Rahn | White/Blue/Red/Green | M | Zendikar Rising |
| 312 | Omnath, Locus of Creation | Bastien Grivet | White/Blue/Red/Green | M | Zendikar Rising |
| 2 | Omnath, Locus of Mana | Chase Stone | Green | M | Commander Collection: Green |
| 7 | Omnath, Locus of Mana | Mike Bierek | Green | M | From the Vault: Legends |
| 109 | Omnath, Locus of Mana | Mike Bierek | Green | M | Worldwake |
| 310 | Omnath, Locus of Mana | Mike Bierek | Green | M | Commander Masters |
| 568 | Omnath, Locus of Mana | Mike Bierek | Green | M | Commander Masters |
| 680 | Omnath, Locus of Mana | Alex Dos Diaz | Green | M | Commander Masters |
| 1063 | Omnath, Locus of Mana | Alex Dos Diaz | Green | M | Commander Masters |
| 97 | Omnath, Locus of Rage | Brad Rigney | Red/Green | M | Zendikar Rising Commander |
| 217 | Omnath, Locus of Rage | Brad Rigney | Red/Green | M | Battle for Zendikar |
| 236 | Omnath, Locus of Rage | Brad Rigney | Red/Green | M | Outlaws of Thunder Junction Commander |
| 216 | Omnath, Locus of the Roil | Lius Lasahido | Blue/Red/Green | M | Core Set 2020 |
| 8 | Oona, Queen of the Fae | Adam Rex | Blue/Black | M | From the Vault: Legends |
| 54 | Oona, Queen of the Fae | Mila Pesic | Blue/Black | M | Secret Lair Drop |
| 98 | Oona, Queen of the Fae | Adam Rex | Blue/Black | R | Zendikar Rising Commander |
| 142 | Oona, Queen of the Fae | Adam Rex | Blue/Black | R | Wilds of Eldraine Commander |
| 172 | Oona, Queen of the Fae | Adam Rex | Blue/Black | R | Shadowmoor |
| 193 | Oona, Queen of the Fae | Adam Rex | Blue/Black | R | Modern Masters |
| 17 | Opal-Eye, Konda's Yojimbo | Greg Staples | White | R | Betrayers of Kamigawa |
| 13 | Optimus Prime, Hero | Volta Creation | White/Blue/Red | M | The Brothers' War Transformers Cards |
| 27 | Optimus Prime, Hero | Volta Creation | White/Blue/Red | M | The Brothers' War Transformers Cards |
| 233 | Orah, Skyclave Hierophant | Heonhwa Choe | White/Black | R | Zendikar Rising |
| 369 | Orah, Skyclave Hierophant | Heonhwa Choe | White/Black | R | Zendikar Rising |
| 37 | Orca, Siege Demon | Daarken | Black/Red | R | Dominaria United Commander |
| 229 | Orcus, Prince of Undeath | Andrew Mar | Black/Red | R | Adventures in the Forgotten Realms |
| 388 | Orcus, Prince of Undeath | Andrew Mar | Black/Red | R | Adventures in the Forgotten Realms |
| Orim, Samite Healer | Kaja Foglio | White | R | Tempest |
| 21 | Orim, Samite Healer | Kaja Foglio | White | R | Tempest Remastered |
| 28 | Oriss, Samite Guardian | Michael Komarck | White | R | Future Sight |
| 275 | Ormendahl, Profane Prince | Min Yum | Black | R | Shadows Over Innistrad Remastered |
| 281 | Ormendahl, Profane Prince | Min Yum | Black | R | Shadows over Innistrad |
| 109 | Ormendahl, the Corrupter | Yongjae Choi | Black | M | Innistrad: Midnight Hunt |
| 316 | Ormendahl, the Corrupter | Andrew Mar | Black | M | Innistrad: Midnight Hunt |
| 13 | Ormos, Archive Keeper | G-host Lee | Blue | R | Jumpstart |
| 233 | Orochi Eggwatcher | Dan Scott | Green | U | Champions of Kamigawa |
| 161 | Oros, the Avenger | Daren Bader | White/Black/Red | R | Planar Chaos |
| 188 | Oros, the Avenger | Daren Bader | White/Black/Red | R | Commander Anthology |
| 216 | Oros, the Avenger | Daren Bader | White/Black/Red | R | Magic: The Gathering-Commander |
| 334 | Orthion, Hero of Lavabrink | Aaron Miller | Red | R | March of the Machine |
| 379 | Orthion, Hero of Lavabrink | Aaron Miller | Red | R | March of the Machine |
| 70 | Orvar, the All-Form | Chase Stone | Blue | M | Kaldheim |
| 305 | Orvar, the All-Form | DZO | Blue | M | Kaldheim |
| 8 | Osgir, the Reconstructor | Victor Adame Minguez | White/Red | M | Commander 2021 |
| 335 | Osgir, the Reconstructor | Victor Adame Minguez | White/Red | M | Commander 2021 |
| 191 | Osgood, Operation Double | Justyna Dura | Blue | R | Doctor Who Commander |
| 367 | Osgood, Operation Double | Justyna Dura | Blue | R | Doctor Who Commander |
| 77 | Oskar, Rubbish Reclaimer | Leonardo Santanna | Blue/Black | R | Streets of New Capenna Commander |
| 177 | Oskar, Rubbish Reclaimer | Leonardo Santanna | Blue/Black | R | Streets of New Capenna Commander |
| 28 | Oswald Fiddlebender | Steven Belledin | White | R | Adventures in the Forgotten Realms |
| 304 | Oswald Fiddlebender | Phil Stone | White | R | Adventures in the Forgotten Realms |
| 3 | Otharri, Suns' Glory | Marta Nael | White/Red | M | Phyrexia: All Will Be One Commander |
| 39 | Otharri, Suns' Glory | Marta Nael | White/Red | M | Phyrexia: All Will Be One Commander |
| 12 | Otrimi, the Ever-Playful | Victor Adame Minguez | Blue/Black/Green | M | Ikoria Commander |
| 19 | Overseer of Vault 76 | Kieran Yanner | White | R | Magic The Gathering—Fallout |
| 368 | Overseer of Vault 76 | Kieran Yanner | White | R | Magic The Gathering—Fallout |
| 213 | Ovika, Enigma Goliath | Antonio José Manzanedo | Blue/Red | R | Phyrexia: All Will Be One |
| 322 | Ovika, Enigma Goliath | Dominik Mayer | Blue/Red | R | Phyrexia: All Will Be One |
| 165 | Oviya Pashiri, Sage Lifecrafter | Magali Villeneuve | Green | R | Kaladesh |
| 174 | Oviya Pashiri, Sage Lifecrafter | Magali Villeneuve | Green | R | Kaladesh Remastered |
| 311 | Oviya Pashiri, Sage Lifecrafter | Magali Villeneuve | Green | U | Commander Masters |
| 16 | Owen Grady, Raptor Trainer | Jaroslav Kosmina | Red/Green | R | Jurassic World Collection Cards |
| 68 | Oyaminartok, Polar Werebear | Borja Pindado | Green | R | Alchemy Horizons: Baldur's Gate |