| 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 |
| 692 | Orzhov Guildgate | John Avon | | C | Magic: The Gathering Foundations |
| 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 |
| 110 | Outpost Siege | Daarken | Red | R | Fate Reforged |
| 135 | Outpost Siege | Daarken | Red | R | Adventures in the Forgotten Realms Commander |
| 139 | Outpost Siege | Daarken | Red | R | Commander 2017 |
| 157 | Outpost Siege | Daarken | Red | R | Ikoria Commander |
| 199 | Outpost Siege | Daarken | Red | R | Bloomburrow Commander |
| 272 | Outpost Siege | Daarken | Red | R | Streets of New Capenna Commander |
| 804 | Outpost Siege | Daarken | Red | R | Commander Legends: Battle for Baldur's Gate |
| 59 | Outrage Shaman | Cole Eastburn | Red | U | Eventide |
| 97 | Outrageous Robbery | Kai Carpenter | Black | R | Murders at Karlov Manor |
| 402 | Outrageous Robbery | Kai Carpenter | Black | R | Murders at Karlov Manor |
| 30 | Outrider en-Kor | D. Alexander Gregory | White | U | Time Spiral Remastered |
| 31 | Outrider en-Kor | D. Alexander Gregory | White | U | Time Spiral |
| 52 | Outrider of Jhess | Alan Pollack | Blue | C | Shards of Alara |
| 70 | Outwit | Erica Yang | Blue | C | Avacyn Restored |
| 97 | Ovalchase Daredevil | Winona Nelson | Black | U | Kaladesh |
| 101 | Ovalchase Daredevil | Winona Nelson | Black | U | Double Masters |
| 225 | Ovalchase Dragster | Victor Adame Minguez | | U | Kaladesh |
| 256 | Ovalchase Dragster | Victor Adame Minguez | | U | Kaladesh Remastered |
| 63 | Over My Dead Bodies | Even Amundsen | Black | R | Unstable |
| 205 | Over the Edge | Ryan Valle | Green | C | The Lost Caverns of Ixalan |
| 146 | Over the Top | Cristi Balanescu | Red | R | The Brothers' War |
| 340 | Over the Top | Cristi Balanescu | Red | R | The Brothers' War |
| 259 | Overabundance | Ben Thompson | Red/Green | R | Invasion |
| 157 | Overbeing of Myth | Chippy | Blue/Green | R | Eventide |
| 114 | Overblaze | Ron Spencer | Red | U | Betrayers of Kamigawa |
| 39 | Overburden | John Matson | Blue | R | Prophecy |
| 71 | Overcharged Amalgam | Mike Jordana | Blue | R | Innistrad: Crimson Vow |
| 363 | Overcharged Amalgam | Mike Jordana | Blue | R | Innistrad: Crimson Vow |
| 729 | Overcharged Amalgam | Mike Jordana | Blue | R | Commander Legends: Battle for Baldur's Gate |
| 58 | Overclocked Electromancer | Brent Hollowell | Red | R | Modern Horizons 3 Commander |
| 110 | Overclocked Electromancer | Brent Hollowell | Red | R | Modern Horizons 3 Commander |
| 48 | Overcome | Craig J Spearing | Green | U | Game Night |
| 125 | Overcome | Craig J Spearing | Green | U | Hour of Devastation |
| 171 | Overcome | Craig J Spearing | Green | U | Ravnica Clue Edition |
| 186 | Overcome | Craig J Spearing | Green | U | Core Set 2020 |
| 701 | Overcome | Craig J Spearing | Green | U | Jumpstart 2022 |
| 35 | Overeager Apprentice | Ray Lago | Black | C | Duel Decks Anthology, Divine vs. Demonic |
| 35 | Overeager Apprentice | Ray Lago | Black | C | Duel Decks: Divine vs. Demonic |
| 154 | Overeager Apprentice | Ray Lago | Black | C | Odyssey |
| 18 | Overencumbered | Elizabeth Peiró | White | R | Magic The Gathering—Fallout |
| 367 | Overencumbered | Elizabeth Peiró | White | R | Magic The Gathering—Fallout |
| 152 | Overflowing Basin | Marina Ortega Lorente | | R | Magic The Gathering—Fallout |
| 293 | Overflowing Basin | Sarah Finnigan | | R | Duskmourn: House of Horror Commander |
| 308 | Overflowing Basin | Sarah Finnigan | | R | Outlaws of Thunder Junction Commander |
| 321 | Overflowing Basin | Sarah Finnigan | | R | Bloomburrow Commander |
| 362 | Overflowing Basin | Sarah Finnigan | | R | Modern Horizons 3 Commander |
| 444 | Overflowing Basin | Marina Ortega Lorente | | R | Magic The Gathering—Fallout |
| 30 | Overflowing Insight | Lucas Graciano | Blue | R | Arena Base Set |
| 66 | Overflowing Insight | Lucas Graciano | Blue | M | Ixalan |
| 139 | Overgrown Arch | Simon Dominic | Green | U | Strixhaven: School of Mages |
| 141 | Overgrown Armasaur | Joseph Meehan | Green | C | Rivals of Ixalan |
| 180 | Overgrown Battlement | Franz Vohwinkel | Green | U | Iconic Masters |
| 203 | Overgrown Battlement | Franz Vohwinkel | Green | C | Rise of the Eldrazi |
| 303 | Overgrown Battlement | Franz Vohwinkel | Green | U | Streets of New Capenna Commander |
| 417 | Overgrown Battlement | Franz Vohwinkel | Green | U | Jumpstart |
| 113 | Overgrown Estate | Brian Snoddy | White/Black/Green | R | Apocalypse |
| 265 | Overgrown Farmland | Jonas De Ro | | R | Innistrad: Midnight Hunt |
| 283 | Overgrown Farmland | Donato Giancola | | R | Innistrad: Midnight Hunt |
| 292 | Overgrown Farmland | Álvaro Calvo Escudero | | R | Doctor Who Commander |
| 506 | Overgrown Farmland | Álvaro Calvo Escudero | | R | Doctor Who Commander |
| 197 | Overgrown Pest | Eelis Kyttanen | Green | C | March of the Machine |
| 13 | Overgrown Tomb | Noah Bradley | | M | Zendikar Expeditions |
| 243 | Overgrown Tomb | Steven Belledin | | R | Return to Ravnica |
| 253 | Overgrown Tomb | Yeong-Hao Han | | R | Guilds of Ravnica |
| 278 | Overgrown Tomb | Chris Ostrowski | | R | Ravnica Clue Edition |
| 279 | Overgrown Tomb | Rob Alexander | | R | Ravnica: City of Guilds |
| 283 | Overgrown Tomb | Rob Alexander | | R | Ravnica Remastered |
| 284 | Overgrown Tomb | Cliff Childs | | R | Unfinity |
| 296 | Overgrown Tomb | Svetlin Velinov | | R | Ravnica Remastered |
| 407 | Overgrown Tomb | Rob Alexander | | R | Ravnica Remastered |
| 193 | Overgrown Zealot | Tyler Walpole | Green | U | Duskmourn: House of Horror |
| Overgrowth | Rob Alexander | Green | C | Stronghold |
| 157 | Overgrowth | Ron Spears | Green | C | Commander 2018 |
| 219 | Overgrowth | Marina Ortega Lorente | Green | C | Warhammer 40,000 Commander |
| 262 | Overgrowth | Christopher Rush | Green | C | Ninth Edition |
| 283 | Overgrowth | Ron Spears | Green | C | Tenth Edition |
| 702 | Overgrowth | Ron Spears | Green | C | Jumpstart 2022 |
| 187 | Overgrowth Elemental | Mathias Kollros | Green | U | Core Set 2020 |
| 108 | Overlaid Terrain | DiTerlizzi | Green | R | Nemesis |