| 35 | Organ Harvest | Terese Nielsen | Black | C | Unglued |
| 66 | Organ Hoarder | Nicholas Gregory | Blue | C | Innistrad: Midnight Hunt |
| 8 | Organic Extinction | Cristi Balanescu | White | R | Kamigawa: Neon Dynasty Commander |
| 43 | Organic Extinction | Cristi Balanescu | White | R | Kamigawa: Neon Dynasty Commander |
| 76 | Organic Extinction | Cristi Balanescu | White | R | Murders at Karlov Manor Commander |
| Orgg | Daniel Gelon | Red | R | Fifth Edition |
| Orgg | Daniel Gelon | Red | R | Fallen Empires |
| 67 | Orgg | Daniel Gelon | Red | S | Time Spiral "Timeshifted" |
| 36 | Origin of the Hidden Ones | Kim Sokol | Red | U | Assassin's Creed |
| 189 | Origin Spellbomb | Franz Vohwinkel | | C | Scars of Mirrodin |
| Orim, Samite Healer | Kaja Foglio | White | R | Tempest |
| 21 | Orim, Samite Healer | Kaja Foglio | White | R | Tempest Remastered |
| 11 | Orim's Chant | Kev Walker | White | R | Planeshift |
| 265 | Orim's Chant | Kev Walker | White | R | Modern Horizons 3 |
| 323 | Orim's Chant | Olena Richards | White | R | Modern Horizons 3 |
| 33 | Orim's Cure | Don Hazeltine | White | C | Mercadian Masques |
| Orim's Prayer | Donato Giancola | White | U | Tempest |
| 5 | Orim's Thunder | Carl Critchlow | White | C | Planechase |
| 15 | Orim's Thunder | Carl Critchlow | White | C | Apocalypse |
| 18 | Orim's Thunder | Carl Critchlow | White | C | Dominaria Remastered |
| 18 | Orim's Thunder | Carl Critchlow | White | C | Commander Anthology |
| 24 | Orim's Thunder | Carl Critchlow | White | C | Magic: The Gathering-Commander |
| 33 | Orim's Thunder | Carl Critchlow | White | C | Commander Anthology 2018 |
| 78 | Orim's Thunder | Carl Critchlow | White | C | Commander 2015 |
| 23 | Orim's Touch | Roger Raupp | White | C | Invasion |
| 80 | Oriq Loremage | Jihun | Black | R | Strixhaven: School of Mages |
| 304 | Oriq Loremage | Jihun | Black | R | Strixhaven: School of Mages |
| 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 |
| 164 | Ornamental Courage | Anthony Palumbo | Green | C | Kaladesh |
| 173 | Ornamental Courage | Anthony Palumbo | Green | C | Kaladesh Remastered |
| 157 | Ornate Kanzashi | Heather Hudson | | R | Betrayers of Kamigawa |
| 194 | Ornery Dilophosaur | Jonathan Kuo | Green | C | Core Set 2021 |
| 700 | Ornery Dilophosaur | Jonathan Kuo | Green | C | Jumpstart 2022 |
| 112 | Ornery Goblin | Johann Bodin | Red | C | Guilds of Ravnica |
| 143 | Ornery Goblin | Johann Bodin | Red | C | Ravnica Clue Edition |
| 353 | Ornery Goblin | Johann Bodin | Red | C | Jumpstart |
| 178 | Ornery Kudu | Deruchenko Alexander | Green | C | Amonkhet |
| 206 | Ornery Kudu | Deruchenko Alexander | Green | C | Amonkhet Remastered |
| 171 | Ornery Tumblewagg | Izzy | Green | R | Outlaws of Thunder Junction |
| 342 | Ornery Tumblewagg | Izzy | Green | R | Outlaws of Thunder Junction |
| 23 | Ornitharch | Clint Cearley | White | U | Born of the Gods |
| Ornithopter | Amy Weber | | U | Fifth Edition |
| Ornithopter | Amy Weber | | U | Fourth Edition |
| Ornithopter | Amy Weber | | U | Revised Edition |
| Ornithopter | Amy Weber | | C | Antiquities |
| 20 | Ornithopter | Franz Vohwinkel | | U | Historic Anthology 1 |
| 37 | Ornithopter | Franz Vohwinkel | | U | The Brothers' War Retro Artifacts |
| 42 | Ornithopter | Howard Lyon | | S | Masterpiece Series: Kaladesh Inventions |
| 100 | Ornithopter | Franz Vohwinkel | | U | The Brothers' War Retro Artifacts |
| 167 | Ornithopter | Mathias Kollros | | U | Aether Revolt |
| 211 | Ornithopter | Franz Vohwinkel | | U | Magic 2011 |
| 216 | Ornithopter | Franz Vohwinkel | | U | Magic 2010 |
| 223 | Ornithopter | Franz Vohwinkel | | C | Magic 2015 Core Set |
| 224 | Ornithopter | Dana Knutson | | U | Mirrodin |
| 233 | Ornithopter | Franz Vohwinkel | | C | Dominaria Remastered |
| 255 | Ornithopter | Mathias Kollros | | U | Kaladesh Remastered |
| 303 | Ornithopter | Amy Weber | | U | Classic Sixth Edition |
| 305 | Ornithopter | Dana Knutson | | U | Ninth Edition |
| 336 | Ornithopter | Dana Knutson | | U | Tenth Edition |
| 386 | Ornithopter | Franz Vohwinkel | | C | Dominaria Remastered |
| 232 | Ornithopter of Paradise | Raoul Vitale | | C | Modern Horizons 2 |
| 281 | Ornithopter of Paradise | Raoul Vitale | | C | Bloomburrow Commander |
| 430 | Ornithopter of Paradise | Raoul Vitale | | C | Modern Horizons 2 |
| 966 | Ornithopter of Paradise | Raoul Vitale | | C | Commander Masters |
| 233 | Orochi Eggwatcher | Dan Scott | Green | U | Champions of Kamigawa |
| 260 | Orochi Hatchery | Alex Horley-Orlandelli | | R | Commander 2015 |
| 266 | Orochi Hatchery | Alex Horley-Orlandelli | | R | Champions of Kamigawa |
| 234 | Orochi Leafcaller | Joel Thomas | Green | C | Champions of Kamigawa |
| 203 | Orochi Merge-Keeper | Brent Hollowell | Green | U | Kamigawa: Neon Dynasty |
| 235 | Orochi Ranger | Greg Hildebrandt | Green | C | Champions of Kamigawa |
| 22 | Orochi Soul-Reaver | Bram Sels | Black | R | Outlaws of Thunder Junction Commander |
| 58 | Orochi Soul-Reaver | Bram Sels | Black | R | Outlaws of Thunder Junction Commander |
| 236 | Orochi Sustainer | rk post | Green | C | 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 |
| 22 | Orphans of the Wheat | Julie Dillon | White | U | Duskmourn: House of Horror |
| 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 |
| 25 | Orthodoxy Enforcer | Xavier Ribeiro | White | C | Phyrexia: All Will Be One |
| 70 | Orvar, the All-Form | Chase Stone | Blue | M | Kaldheim |
| 305 | Orvar, the All-Form | DZO | Blue | M | Kaldheim |
| 3 | Orzhov Advokist | Jason A. Engle | White | U | Commander 2016 |
| 34 | Orzhov Advokist | Jason A. Engle | White | U | Commander Anthology 2018 |
| 35 | Orzhov Advokist | Jason A. Engle | White | U | Commander Legends |
| 77 | Orzhov Advokist | Jason A. Engle | White | U | Murders at Karlov Manor Commander |
| 91 | Orzhov Advokist | Jason A. Engle | White | U | Innistrad: Midnight Hunt Commander |
| 99 | Orzhov Advokist | Jason A. Engle | White | U | Commander 2021 |
| 207 | Orzhov Advokist | Jason A. Engle | White | U | Streets of New Capenna Commander |
| 49 | Orzhov Basilica | John Avon | | C | Guild Kit: Orzhov |
| 161 | Orzhov Basilica | John Avon | | C | Guildpact |
| 191 | Orzhov Basilica | John Avon | | U | The Brothers' War Commander |
| 224 | Orzhov Basilica | John Avon | | U | Dominaria United Commander |
| 241 | Orzhov Basilica | John Avon | | C | Ravnica Clue Edition |
| 243 | Orzhov Basilica | John Avon | | U | Iconic Masters |
| 246 | Orzhov Basilica | John Avon | | U | Modern Masters 2015 Edition |
| 253 | Orzhov Basilica | John Avon | | U | Adventures in the Forgotten Realms Commander |
| 264 | Orzhov Basilica | John Avon | | C | Commander Anthology |
| 268 | Orzhov Basilica | John Avon | | C | Commander 2017 |
| 271 | Orzhov Basilica | John Avon | | U | Commander 2018 |
| 283 | Orzhov Basilica | John Avon | | C | Magic: The Gathering-Commander |
| 292 | Orzhov Basilica | John Avon | | U | Duskmourn: House of Horror Commander |
| 297 | Orzhov Basilica | John Avon | | C | Ikoria Commander |
| 298 | Orzhov Basilica | John Avon | | C | Commander 2015 |
| 308 | Orzhov Basilica | John Avon | | U | Commander 2021 |
| 311 | Orzhov Basilica | John Avon | | C | Commander 2013 Edition |
| 314 | Orzhov Basilica | John Avon | | U | Commander 2016 |
| 327 | Orzhov Basilica | John Avon | | U | Double Masters 2022 |
| 345 | Orzhov Basilica | John Avon | | C | The Lost Caverns of Ixalan Commander |
| 409 | Orzhov Basilica | Jim Nelson | | U | Double Masters 2022 |
| 906 | Orzhov Basilica | John Avon | | U | Commander Legends: Battle for Baldur's Gate |
| 1018 | Orzhov Basilica | John Avon | | U | Commander Masters |
| 42 | Orzhov Charm | Zoltan Boros | White/Black | U | Guild Kit: Orzhov |
| 185 | Orzhov Charm | Zoltan Boros | White/Black | U | Gatecrash |
| 142 | Orzhov Cluestone | Raoul Vitale | | C | Dragon's Maze |
| 261 | Orzhov Cluestone | Raoul Vitale | | C | Commander 2015 |
| 79 | Orzhov Enforcer | Matt Stewart | Black | U | Ravnica Allegiance |
| 87 | Orzhov Enforcer | Matt Stewart | Black | U | Ravnica Remastered |
| 54 | Orzhov Euthanist | Zoltan Boros & Gabor Szikszai | Black | C | Guildpact |
| 88 | Orzhov Euthanist | Zoltan Boros & Gabor Szikszai | Black | C | Ravnica Remastered |
| 153 | Orzhov Guildgate | John Avon | | C | Dragon's Maze |
| 241 | Orzhov Guildgate | John Avon | | C | Modern Masters 2017 Edition |
| 242 | Orzhov Guildgate | Cliff Childs | | C | Ravnica Clue Edition |
| 244 | Orzhov Guildgate | John Avon | | C | Gatecrash |
| 252 | Orzhov Guildgate | Cliff Childs | | C | Ravnica Allegiance |
| 253 | Orzhov Guildgate | Cliff Childs | | C | Ravnica Allegiance |
| 269 | Orzhov Guildgate | Cliff Childs | | C | War of the Spark |
| 269 | Orzhov Guildgate | John Avon | | C | Commander 2017 |
| 272 | Orzhov Guildgate | John Avon | | C | Commander 2018 |
| 282 | Orzhov Guildgate | John Avon | | C | Ravnica Remastered |
| 299 | Orzhov Guildgate | John Avon | | C | Commander 2015 |
| 312 | Orzhov Guildgate | John Avon | | C | Commander 2013 Edition |
| 406 | Orzhov Guildgate | John Avon | | C | Ravnica Remastered |
| 147 | Orzhov Guildmage | Greg Staples | White/Black | U | Guildpact |
| 201 | Orzhov Guildmage | Greg Staples | White/Black | U | Ravnica Clue Edition |
| 205 | Orzhov Guildmage | Greg Staples | White/Black | U | Commander Anthology |
| 208 | Orzhov Guildmage | Greg Staples | White/Black | U | Ravnica Remastered |
| 217 | Orzhov Guildmage | Greg Staples | White/Black | U | Magic: The Gathering-Commander |
| 233 | Orzhov Keyrune | Daniel Ljunggren | | U | Gatecrash |
| 236 | Orzhov Locket | Volkan Baga | | C | Ravnica Allegiance |
| 368 | Orzhov Locket | Volkan Baga | | C | March of the Machine Commander |
| 43 | Orzhov Pontiff | Adam Rex | White/Black | R | Guild Kit: Orzhov |
| 124 | Orzhov Pontiff | Adam Rex | White/Black | R | Guildpact |
| 261 | Orzhov Pontiff | Adam Rex | White/Black | U | Double Masters 2022 |
| 80 | Orzhov Racketeers | David Palumbo | Black | U | Ravnica Allegiance |
| 117 | Orzhov Racketeers | David Palumbo | Black | U | Ravnica Clue Edition |
| 48 | Orzhov Signet | Martina Pilcerova | | C | Guild Kit: Orzhov |
| 154 | Orzhov Signet | Martina Pilcerova | | C | The Brothers' War Commander |
| 155 | Orzhov Signet | Tim Hildebrandt | | C | Guildpact |
| 206 | Orzhov Signet | Martina Pilcerova | | C | Commander Anthology 2018 |
| 213 | Orzhov Signet | Martina Pilcerova | | C | Commander 2018 |
| 219 | Orzhov Signet | Martina Pilcerova | | U | Commander 2017 |
| 223 | Orzhov Signet | Greg Hildebrandt | | C | Commander Anthology |
| 224 | Orzhov Signet | Martina Pilcerova | | U | Modern Masters 2017 Edition |
| 225 | Orzhov Signet | Martina Pilcerova | | C | Ravnica Clue Edition |
| 247 | Orzhov Signet | Martina Pilcerova | | U | Ikoria Commander |
| 249 | Orzhov Signet | Martina Pilcerova | | U | Duskmourn: House of Horror Commander |
| 254 | Orzhov Signet | Martina Pilcerova | | U | Commander 2021 |
| 255 | Orzhov Signet | Greg Hildebrandt | | C | Magic: The Gathering-Commander |
| 261 | Orzhov Signet | Martina Pilcerova | | U | Outlaws of Thunder Junction Commander |
| 262 | Orzhov Signet | Martina Pilcerova | | C | Commander 2015 |
| 263 | Orzhov Signet | Greg Hildebrandt | | U | Ravnica Remastered |
| 266 | Orzhov Signet | Martina Pilcerova | | C | Commander 2016 |
| 310 | Orzhov Signet | Martina Pilcerova | | U | The Lost Caverns of Ixalan Commander |
| 369 | Orzhov Signet | Martina Pilcerova | | C | March of the Machine Commander |
| 375 | Orzhov Signet | Martina Pilcerova | | U | Streets of New Capenna Commander |
| 867 | Orzhov Signet | Martina Pilcerova | | C | Commander Legends: Battle for Baldur's Gate |
| 162 | Orzhova, the Church of Deals | Martina Pilcerova | | U | Guildpact |
| Osai Vultures | Dan Frazier | White | U | Fourth Edition |
| Osai Vultures | Dan Frazier | White | C | Legends |
| 21 | Osai Vultures | Dan Frazier | White | C | Masters Edition IV |
| 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 |
| 112 | Osseous Sticktwister | Mathias Kollros | Black | U | Duskmourn: House of Horror |
| 26 | Ossification | Nino Vecia | White | U | Phyrexia: All Will Be One |
| 277 | Ossification | Nino Vecia | White | U | Phyrexia: All Will Be One |
| 24 | Ossuary Rats | Ralph Horsley | Black | C | Jumpstart 2022 |
| 103 | Osteomancer Adept | Daniel Zrom | Black | R | Bloomburrow |
| 312 | Osteomancer Adept | Justine Mara Andersen | Black | R | Bloomburrow |
| 55 | Ostiary Thrull | Ron Spencer | Black | C | Guildpact |
| 57 | Ostracize | Chippy | Black | C | Urza's Legacy |
| 153 | Ostracize | Hannibal King | Black | C | Seventh Edition |
| 28 | Oswald Fiddlebender | Steven Belledin | White | R | Adventures in the Forgotten Realms |
| 304 | Oswald Fiddlebender | Phil Stone | White | R | Adventures in the Forgotten Realms |
| 305 | Otarian Juggernaut | Brian Snoddy | | R | Odyssey |
| 271 | Otawara, Soaring City | Alayna Danner | | R | Kamigawa: Neon Dynasty |
| 414 | Otawara, Soaring City | Yuta Shimpo | | R | Kamigawa: Neon Dynasty |
| 503 | Otawara, Soaring City | Alayna Danner | | R | Kamigawa: Neon Dynasty |
| 29 | Oteclan Landmark | Warren Mahy | White | C | The Lost Caverns of Ixalan |
| 29 | Oteclan Levitator | Warren Mahy | White | C | The Lost Caverns of Ixalan |
| 153 | Otepec Huntmaster | Daarken | Red | U | Ixalan |
| 229 | Otepec Huntmaster | Daarken | Red | U | The Lost Caverns of Ixalan Commander |
| 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 |
| 219 | Otherworld Atlas | Sam Wolfe Connelly | | R | Avacyn Restored |
| 12 | Otherworldly Escort | Artur Treffner | White | R | Murders at Karlov Manor Commander |
| 323 | Otherworldly Escort | Artur Treffner | White | R | Murders at Karlov Manor Commander |
| 67 | Otherworldly Gaze | Chris Cold | Blue | C | Innistrad: Midnight Hunt |
| 115 | Otherworldly Gaze | Chris Cold | Blue | C | Murders at Karlov Manor Commander |
| 122 | Otherworldly Gaze | Chris Cold | Blue | C | Duskmourn: House of Horror Commander |
| 16 | Otherworldly Journey | Vance Kovacs | White | U | Duel Decks Anthology, Divine vs. Demonic |
| 16 | Otherworldly Journey | Vance Kovacs | White | U | Duel Decks: Divine vs. Demonic |
| 23 | Otherworldly Journey | Vance Kovacs | White | C | Modern Masters |
| 30 | Otherworldly Journey | Vance Kovacs | White | C | Modern Masters 2015 Edition |
| 37 | Otherworldly Journey | Vance Kovacs | White | U | Champions of Kamigawa |
| 138 | Otherworldly Outburst | Kieran Yanner | Red | C | Eldritch Moon |
| 12 | Otrimi, the Ever-Playful | Victor Adame Minguez | Blue/Black/Green | M | Ikoria Commander |
| 63 | Otterball Antics | Rhonda Libbey | Blue | U | Bloomburrow |
| Oubliette | Douglas Shuler | Black | C | Arabian Nights |
| Oubliette | Douglas Shuler | Black | C | Arabian Nights |
| 79 | Oubliette | Douglas Shuler | Black | C | Masters Edition |
| 100 | Oubliette | Jim Pavelec | Black | U | Double Masters |
| 90 | Ouphe Vandals | Thomas M. Baxa | Green | U | Fifth Dawn |
| 107 | Our Market Research Shows That Players Like Really Long Card Names So We Made this Card to Have the Absolute Longest Card Name Ever Elemental | Greg Hildebrandt | Green | C | Unhinged |
| 7 | Oust | Mike Bierek | White | U | Duel Decks: Zendikar vs. Eldrazi |
| 40 | Oust | Mike Bierek | White | U | Rise of the Eldrazi |
| 67 | Oust | Mike Bierek | White | U | Ravnica Clue Edition |
| 66 | Out Cold | Tuan Duong Chu | Blue | C | Murders at Karlov Manor |
| 69 | Out of Air | Francisco Miyara | Blue | C | The Lost Caverns of Ixalan |
| 38 | Out of Bounds | Dmitry Burmak | Blue | U | Battlebond |
| 46 | Out of the Tombs | Games Workshop | Black | R | Warhammer 40,000 Commander |
| 52 | Out of the Way | Tony Foti | Blue | U | Streets of New Capenna |
| 23 | Out of Time | Tobias Kwan | White | R | Modern Horizons 2 |
| 209 | Out of Time | JB Casacop | White | R | Doctor Who Commander |
| 383 | Out of Time | Tobias Kwan | White | R | Modern Horizons 2 |
| 442 | Out of Time | Tobias Kwan | White | R | Modern Horizons 2 |
| 467 | Out of Time | JB Casacop | White | R | Doctor Who Commander |
| 71 | Outbreak | Quinton Hoover | Black | U | Prophecy |
| 172 | Outcaster Greenblade | Josu Hernaiz | Green | U | Outlaws of Thunder Junction |
| 173 | Outcaster Trailblazer | Denys Tsiperko | Green | R | Outlaws of Thunder Junction |
| 343 | Outcaster Trailblazer | Denys Tsiperko | Green | R | Outlaws of Thunder Junction |
| 23 | Outflank | Victor Adame Minguez | White | C | Throne of Eldraine |
| 132 | Outland Boar | Winona Nelson | Red/Green | U | Aether Revolt |
| 201 | Outland Boar | Winona Nelson | Red/Green | U | Kaladesh Remastered |
| 193 | Outland Colossus | Ryan Pancoast | Green | R | Magic Origins |
| 190 | Outland Liberator | Randy Vargas | Green | U | Innistrad: Midnight Hunt |
| 23 | Outlaw Medic | Nino Vecia | White | C | Outlaws of Thunder Junction |
| 59 | Outlaw Stitcher | Alix Branwyn | Blue | U | Outlaws of Thunder Junction |
| 136 | Outlaws' Fury | Diego Gisbert | Red | C | Outlaws of Thunder Junction |
| 51 | Outlaws' Merriment | Willem Hampson | White/Red | R | Outlaws of Thunder Junction Breaking News |
| 198 | Outlaws' Merriment | Suzanne Helmigh | White/Red | M | Throne of Eldraine |
| 205 | Outmaneuver | Greg Staples | Red | U | Urza's Saga |
| 170 | Outmuscle | Viktor Titov | Green | C | Throne of Eldraine |
| 150 | Outnumber | Tyler Jacobson | Red | C | Battle for Zendikar |
| 354 | Outnumber | Tyler Jacobson | Red | C | Jumpstart |
| 578 | Outnumber | Tyler Jacobson | Red | C | Jumpstart 2022 |