| 32 | Oppression | Matteo Bassini | Black | R | Wilds of Eldraine Enchanting Tales |
| 143 | Oppression | Pete Venters | Black | R | Urza's Saga |
| 152 | Oppression | Alex Horley-Orlandelli | Black | R | Seventh Edition |
| 19 | Oppressive Rays | Mark Zug | White | C | Journey into Nyx |
| 21 | Oppressive Rays | Mark Zug | White | C | Magic 2015 Core Set |
| 50 | Oppressive Will | Pat Lee | Blue | C | Saviors of Kamigawa |
| 19 | Opt | Kristina Collantes | Blue | U | Strixhaven Mystical Archive |
| 59 | Opt | Tyler Jacobson | Blue | C | Core Set 2021 |
| 59 | Opt | Dan Scott | Blue | C | Throne of Eldraine |
| 60 | Opt | Tyler Jacobson | Blue | C | Dominaria |
| 64 | Opt | John Howe | Blue | C | Invasion |
| 65 | Opt | Craig J Spearing | Blue | C | Ixalan |
| 101 | Opt | Dan Scott | Blue | C | Wilds of Eldraine Commander |
| 104 | Opt | Dan Murayama Scott | Blue | C | Outlaws of Thunder Junction Commander |
| 111 | Opt | Jehan Choo | Blue | R | Secret Lair Drop |
| 194 | Opt | Erion Makuo | Blue | C | The Lord of the Rings: Tales of Middle Earth Commander |
| 332 | Opt | Dan Scott | Blue | C | Jumpstart 2022 |
| 197 | Optical Optimizer | Jason Felix | | U | Unstable |
| 21 | Optimistic Scavenger | Brian Valeza | White | U | Duskmourn: House of Horror |
| 288 | Optimistic Scavenger | Brian Valeza | White | U | Duskmourn: House of Horror |
| 13 | Optimus Prime, Autobot Leader | Volta Creation | White/Blue/Red | M | The Brothers' War Transformers Cards |
| 27 | Optimus Prime, Autobot Leader | Volta Creation | White/Blue/Red | M | The Brothers' War Transformers Cards |
| 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 |
| 223 | Opulent Palace | Adam Paquette | | U | Dominaria United Commander |
| 238 | Opulent Palace | Adam Paquette | | U | Khans of Tarkir |
| 260 | Opulent Palace | Adam Paquette | | U | Commander Anthology 2018 |
| 264 | Opulent Palace | Adam Paquette | | U | Commander 2019 |
| 267 | Opulent Palace | Adam Paquette | | U | Commander 2017 |
| 278 | Opulent Palace | Jonas De Ro | | U | Magic The Gathering—Fallout |
| 295 | Opulent Palace | Adam Paquette | | U | Ikoria Commander |
| 307 | Opulent Palace | Adam Paquette | | U | Outlaws of Thunder Junction Commander |
| 313 | Opulent Palace | Adam Paquette | | U | Commander 2016 |
| 1017 | Opulent Palace | Adam Paquette | | U | Commander Masters |
| Oracle en-Vec | Dan Frazier | White | R | Tempest |
| 103 | Oracle of Bones | Greg Staples | Red | R | Born of the Gods |
| 63 | Oracle of Dust | Jason Rainville | Blue | C | Battle for Zendikar |
| 154 | Oracle of Mul Daya | Vance Kovacs | Green | R | Double Masters 2022 |
| 172 | Oracle of Mul Daya | Vance Kovacs | Green | R | Zendikar |
| 200 | Oracle of Mul Daya | Vance Kovacs | Green | R | Outlaws of Thunder Junction Commander |
| 370 | Oracle of Mul Daya | Darrell Riche | Green | R | Double Masters 2022 |
| 415 | Oracle of Mul Daya | Vance Kovacs | Green | R | Jumpstart |
| 464 | Oracle of Mul Daya | Vance Kovacs | Green | R | Double Masters 2022 |
| 233 | Oracle of Nectars | Brandon Kitkouski | White/Green | R | Shadowmoor |
| 71 | Oracle of Tragedy | Pavel Kolomeyets | Blue | U | March of the Machine |
| 16 | Oracle's Attendants | Orizio Daniele | White | R | Nemesis |
| 30 | Oracle's Attendants | Dany Orizio | White | R | Ninth Edition |
| 32 | Oracle's Attendants | Dany Orizio | White | R | Eighth Edition |
| 47 | Oracle's Insight | Raymond Swanland | Blue | U | Born of the Gods |
| 127 | Oracle's Insight | Raymond Swanland | Blue | U | Battlebond |
| 234 | Oracle's Vault | Jonas De Ro | | R | Amonkhet |
| 374 | Oracle's Vault | Jonas De Ro | | R | Streets of New Capenna Commander |
| 233 | Orah, Skyclave Hierophant | Heonhwa Choe | White/Black | R | Zendikar Rising |
| 369 | Orah, Skyclave Hierophant | Heonhwa Choe | White/Black | R | Zendikar Rising |
| 16 | Oran-Rief Hydra | Chris Rahn | Green | R | Duel Decks: Nissa vs. Ob Nixilis |
| 69 | Oran-Rief Hydra | Chris Rahn | Green | R | Archenemy: Nicol Bolas |
| 181 | Oran-Rief Hydra | Chris Rahn | Green | R | Battle for Zendikar |
| 17 | Oran-Rief Invoker | Anastasia Ovchinnikova | Green | C | Duel Decks: Nissa vs. Ob Nixilis |
| 182 | Oran-Rief Invoker | Anastasia Ovchinnikova | Green | C | Battle for Zendikar |
| 198 | Oran-Rief Ooze | Daarken | Green | R | Zendikar Rising |
| 361 | Oran-Rief Ooze | Daarken | Green | R | Zendikar Rising |
| 54 | Oran-Rief Recluse | Lars Grant-West | Green | C | Duel Decks: Jace vs. Vraska |
| 173 | Oran-Rief Recluse | Lars Grant-West | Green | C | Zendikar |
| 174 | Oran-Rief Survivalist | Kev Walker | Green | C | Zendikar |
| 28 | Oran-Rief, the Vastwood | Mike Bierek | | R | Duel Decks: Elves vs. Inventors |
| 173 | Oran-Rief, the Vastwood | Mike Bierek | | R | Kamigawa: Neon Dynasty Commander |
| 221 | Oran-Rief, the Vastwood | Mike Bierek | | R | Zendikar |
| 263 | Oran-Rief, the Vastwood | Mike Bierek | | R | Commander Anthology |
| 296 | Oran-Rief, the Vastwood | Mike Bierek | | R | Ikoria Commander |
| 297 | Oran-Rief, the Vastwood | Mike Bierek | | R | Commander 2015 |
| 305 | Oran-Rief, the Vastwood | Mike Bierek | | R | Commander 2014 |
| 307 | Oran-Rief, the Vastwood | Mike Bierek | | R | Commander 2021 |
| 320 | Oran-Rief, the Vastwood | Mike Bierek | | R | Bloomburrow Commander |
| 28 | Orator of Ojutai | Zack Stella | White | U | Dragons of Tarkir |
| 67 | Orator of Ojutai | Zack Stella | White | U | Commander 2017 |
| 35 | Oraxid | Dave Dorman | Blue | C | Nemesis |
| 140 | Orazca Frillback | Simon Dominic | Green | C | Rivals of Ixalan |
| 416 | Orazca Frillback | Simon Dominic | Green | C | Jumpstart |
| 68 | Orazca Puzzle-Door | Cristi Balanescu | Blue | C | The Lost Caverns of Ixalan |
| 108 | Orazca Raptor | Jakub Kasper | Red | C | Rivals of Ixalan |
| 181 | Orazca Relic | Kieran Yanner | | C | Rivals of Ixalan |
| 213 | Orazca Relic | Kieran Yanner | | C | Adventures in the Forgotten Realms Commander |
| 157 | Orb of Dragonkind | Brian Valeza | Red | R | Adventures in the Forgotten Realms |
| 381 | Orb of Dragonkind | Brian Valeza | Red | R | Adventures in the Forgotten Realms |
| 156 | Orb of Dreams | Dany Orizio | | R | Betrayers of Kamigawa |
| 234 | Orbs of Warding | Johann Bodin | | R | Magic Origins |
| 231 | Orbweaver Kumo | Dan Scott | Green | U | Champions of Kamigawa |
| Orc General | Jesper Myrfors | Red | U | The Dark |
| 137 | Orc General | Jesper Myrfors | Red | U | Masters Edition II |
| 78 | Orc Sureshot | Kev Walker | Black | U | Fate Reforged |
| 37 | Orca, Siege Demon | Daarken | Black/Red | R | Dominaria United Commander |
| 68 | Orchard Elemental | Christine Choi | Green | C | Conspiracy: Take the Crown |
| 192 | Orchard Spirit | Howard Lyon | Green | C | Magic Origins |
| 198 | Orchard Spirit | Howard Lyon | Green | C | Innistrad |
| 169 | Orchard Strider | Raoul Vitale | Green | C | Modern Horizons 2 |
| 253 | Orchard Strider | John Tedrick | Green | C | The Lord of the Rings: Tales of Middle Earth Commander |
| 131 | Orchard Warden | Rebecca Guay | Green | U | Morningtide |
| Orcish Artillery | Dan Frazier | Red | U | Fifth Edition |
| Orcish Artillery | Anson Maddocks | Red | U | Fourth Edition |
| Orcish Artillery | Anson Maddocks | Red | U | Revised Edition |
| Orcish Artillery | Anson Maddocks | Red | U | Unlimited Edition |
| Orcish Artillery | Anson Maddocks | Red | U | Limited Edition Beta |
| Orcish Artillery | Anson Maddocks | Red | U | Limited Edition Alpha |
| 196 | Orcish Artillery | Dan Frazier | Red | U | Classic Sixth Edition |
| 205 | Orcish Artillery | Dan Frazier | Red | U | Seventh Edition |
| 206 | Orcish Artillery | Jeff Miracola | Red | U | Ninth Edition |
| 207 | Orcish Artillery | Dan Frazier | Red | U | Eighth Edition |
| 220 | Orcish Artillery | Jeff Miracola | Red | U | Tenth Edition |
| 94 | Orcish Bloodpainter | Alan Pollack | Red | C | Coldsnap |
| 103 | Orcish Bowmasters | Maxim Kostin | Black | R | The Lord of the Rings: Tales of Middle Earth |
| 433 | Orcish Bowmasters | Tyler Jacobson | Black | R | The Lord of the Rings: Tales of Middle Earth |
| 554 | Orcish Bowmasters | Maxim Kostin | Black | R | The Lord of the Rings: Tales of Middle Earth |
| 28 | Orcish Cannonade | Pete Venters | Red | C | Duel Decks: Speed vs. Cunning |
| 148 | Orcish Cannonade | Pete Venters | Red | C | Magic: The Gathering—Conspiracy |
| 172 | Orcish Cannonade | Pete Venters | Red | C | Time Spiral |
| 178 | Orcish Cannonade | Chris Seaman | Red | C | Time Spiral Remastered |
| Orcish Cannoneers | Dan Frazier | Red | U | Ice Age |
| 138 | Orcish Cannoneers | Dan Frazier | Red | U | Masters Edition II |
| Orcish Captain | Charles Gillespie | Red | U | Fifth Edition |
| Orcish Captain | Mark Tedin | Red | U | Fallen Empires |
| 139 | Orcish Captain | Mark Tedin | Red | U | Masters Edition II |
| Orcish Conscripts | Douglas Shuler | Red | C | Fifth Edition |
| Orcish Conscripts | Douglas Shuler | Red | C | Ice Age |
| 140 | Orcish Conscripts | Douglas Shuler | Red | C | Masters Edition II |
| Orcish Farmer | Dan Frazier | Red | C | Fifth Edition |
| Orcish Farmer | Dan Frazier | Red | C | Ice Age |
| 141 | Orcish Farmer | Dan Frazier | Red | C | Masters Edition II |
| Orcish Healer | Quinton Hoover | Red | U | Ice Age |
| 136 | Orcish Hellraiser | Darren Tan | Red | C | Modern Horizons |
| Orcish Librarian | Phil Foglio | Red | R | Ice Age |
| 66 | Orcish Librarian | Phil Foglio | Red | S | Time Spiral "Timeshifted" |
| Orcish Lumberjack | Dan Frazier | Red | C | Ice Age |
| 44 | Orcish Lumberjack | Steve Prescott | Red | C | Duel Decks: Heroes vs. Monsters |
| 142 | Orcish Lumberjack | Dan Frazier | Red | C | Masters Edition II |
| 179 | Orcish Lumberjack | Steve Prescott | Red | C | Vintage Masters |
| Orcish Mechanics | Pete Venters | Red | C | Antiquities |
| 106 | Orcish Mechanics | Pete Venters | Red | U | Masters Edition |
| 129 | Orcish Mechanics | Pete Venters | Red | U | Masters Edition IV |
| 104 | Orcish Medicine | Irvin Rodriguez | Black | C | The Lord of the Rings: Tales of Middle Earth |
| 555 | Orcish Medicine | Irvin Rodriguez | Black | C | The Lord of the Rings: Tales of Middle Earth |
| Orcish Mine | Kaja Foglio | Red | U | Homelands |
| Orcish Oriflamme | Dan Frazier | Red | U | Starter 2000 |
| Orcish Oriflamme | Dan Frazier | Red | U | Fifth Edition |
| Orcish Oriflamme | Dan Frazier | Red | U | Fourth Edition |
| Orcish Oriflamme | Dan Frazier | Red | U | Revised Edition |
| Orcish Oriflamme | Dan Frazier | Red | U | Unlimited Edition |
| Orcish Oriflamme | Dan Frazier | Red | U | Limited Edition Beta |
| Orcish Oriflamme | Dan Frazier | Red | U | Limited Edition Alpha |
| 140 | Orcish Oriflamme | Ben Thompson | Red | C | Eternal Masters |
| 197 | Orcish Oriflamme | Dan Frazier | Red | U | Classic Sixth Edition |
| 206 | Orcish Oriflamme | Ben Thompson | Red | U | Seventh Edition |
| 83 | Orcish Paratroopers | Matt Thompson | Red | C | Unhinged |
| Orcish Settlers | Pete Venters | Red | U | Weatherlight |
| 33 | Orcish Siegemaster | Anton Solovianchyk | Red | R | The Lord of the Rings: Tales of Middle Earth Commander |
| 116 | Orcish Siegemaster | Anton Solovianchyk | Red | R | The Lord of the Rings: Tales of Middle Earth Commander |
| 435 | Orcish Siegemaster | Anton Solovianchyk | Red | R | The Lord of the Rings: Tales of Middle Earth Commander |
| Orcish Spy | Pete Venters | Red | C | Fallen Empires |
| Orcish Spy | Susan Van Camp | Red | C | Fallen Empires |
| Orcish Spy | Daniel Gelon | Red | C | Fallen Empires |
| 208 | Orcish Spy | Greg Staples | Red | C | Eighth Edition |
| Orcish Squatters | Richard Kane Ferguson | Red | R | Fifth Edition |
| Orcish Squatters | Richard Kane Ferguson | Red | R | Ice Age |
| 143 | Orcish Squatters | Richard Kane Ferguson | Red | R | Masters Edition II |
| 137 | Orcish Vandal | Alex Konstad | Red | C | Double Masters |
| 137 | Orcish Vandal | Alex Konstad | Red | U | Dominaria |
| Orcish Veteran | Douglas Shuler | Red | C | Fallen Empires |
| Orcish Veteran | Dan Frazier | Red | C | Fallen Empires |
| Orcish Veteran | Melissa Benson | Red | C | Fallen Empires |
| Orcish Veteran | Quinton Hoover | Red | C | Fallen Empires |
| 144 | Orcish Veteran | Quinton Hoover | Red | C | Masters Edition II |
| 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 |
| 99 | Ordeal of Erebos | Tyler Jacobson | Black | U | Theros |
| 25 | Ordeal of Heliod | Lucas Graciano | White | U | Theros |
| 27 | Ordeal of Heliod | Lucas Graciano | White | U | Masters 25 |
| 123 | Ordeal of Nylea | David Palumbo | Green | U | Kamigawa: Neon Dynasty Commander |
| 170 | Ordeal of Nylea | David Palumbo | Green | U | Theros |
| 247 | Ordeal of Nylea | David Palumbo | Green | U | Commander Legends |
| 699 | Ordeal of Nylea | David Palumbo | Green | U | Jumpstart 2022 |
| 23 | Ordeal of Purphoros | Maciej Kuciara | Red | U | Duel Decks: Heroes vs. Monsters |
| 131 | Ordeal of Purphoros | Maciej Kuciara | Red | U | Theros |
| 577 | Ordeal of Purphoros | Maciej Kuciara | Red | U | Jumpstart 2022 |
| 58 | Ordeal of Thassa | Howard Lyon | Blue | U | Theros |
| 104 | Order | Tim Hildebrandt | White | U | Planechase |
| 132 | Order | Greg & Tim Hildebrandt | White | U | Apocalypse |
| 132 | Order | Greg & Tim Hildebrandt | White | U | Apocalypse |
| 212 | Order | Tim Hildebrandt | White | U | Dominaria Remastered |
| 240 | Order | Tim Hildebrandt | White | U | Commander 2016 |
| Order of Leitbur | Randy Asplund-Faith | White | C | Fallen Empires |
| Order of Leitbur | Bryon Wackwitz | White | C | Fallen Empires |
| Order of Leitbur | Bryon Wackwitz | White | C | Fallen Empires |
| 22 | Order of Leitbur | Randy Asplund | White | C | Masters Edition |
| 99 | Order of Midnight | Victor Adame Minguez | Black | U | Throne of Eldraine |
| 261 | Order of Midnight | Victor Adame Minguez | Black | U | March of the Machine Commander |
| 65 | Order of Sacred Dusk | Bartek Fedyczak | White/Black | R | The Lost Caverns of Ixalan Commander |
| 97 | Order of Sacred Dusk | Bartek Fedyczak | White/Black | R | The Lost Caverns of Ixalan Commander |
| 52 | Order of Succession | Magali Villeneuve | Blue | R | Commander 2013 Edition |
| 72 | Order of the Alabaster Host | Andrew Mar | White/Blue | C | March of the Machine |
| Order of the Ebon Hand | Ron Spencer | Black | C | Fallen Empires |
| Order of the Ebon Hand | Melissa Benson | Black | C | Fallen Empires |
| Order of the Ebon Hand | Christopher Rush | Black | C | Fallen Empires |
| 78 | Order of the Ebon Hand | Ron Spencer | Black | C | Masters Edition |
| 19 | Order of the Golden Cricket | Mark Zug | White | C | Morningtide |
| 223 | Order of the Golden Cricket | Mark Zug | White | C | Jumpstart 2022 |
| 72 | Order of the Mirror | Andrew Mar | Blue | C | March of the Machine |
| 232 | Order of the Sacred Bell | Carl Critchlow | Green | C | Champions of Kamigawa |
| 261 | Order of the Sacred Bell | Carl Critchlow | Green | C | Ninth Edition |
| Order of the Sacred Torch | Ruth Thompson | White | R | Fifth Edition |
| Order of the Sacred Torch | Ruth Thompson | White | R | Ice Age |
| 25 | Order of the Sacred Torch | Ruth Thompson | White | R | Masters Edition II |
| 32 | Order of the Sacred Torch | Ruth Thompson | White | R | Classic Sixth Edition |
| 13 | Order of the Stars | Heather Hudson | White | U | Guildpact |
| Order of the White Shield | Ruth Thompson | White | U | Fifth Edition |
| Order of the White Shield | Ruth Thompson | White | U | Ice Age |
| 26 | Order of the White Shield | Ruth Thompson | White | U | Masters Edition II |
| 16 | Order of Whiteclay | Steven Belledin | White | R | Shadowmoor |
| 703 | Order of Whiteclay | Steven Belledin | White | R | Commander Legends: Battle for Baldur's Gate |
| 11 | Order of Yawgmoth | Chippy | Black | U | Duel Decks: Phyrexia vs. the Coalition |
| 144 | Order of Yawgmoth | Chippy | Black | U | Urza's Saga |
| 258 | Ordered Migration | Heather Hudson | White/Blue | U | Invasion |
| 260 | Orderly Plaza | Gabor Szikszai | | U | Modern Horizons 3 |
| 12 | Ordinary Pony | Andrea Radeck | White | C | Unsanctioned |
| 17 | Ordinary Pony | Andrea Radeck | White | C | Unstable |
| 137 | Ordruun Commando | Stephen Tappin | Red | C | Ravnica: City of Guilds |
| 39 | Ordruun Mentor | Loïc Canavaggia | White/Red | U | Ravnica Clue Edition |
| 184 | Ordruun Veteran | Greg Staples | White/Red | U | Gatecrash |
| 182 | Ore Gorger | rk post | Red | U | Champions of Kamigawa |
| 146 | Oread of Mountain's Blaze | Yigit Koroglu | Red | C | Theros Beyond Death |
| 11 | Ore-Rich Stalactite | Tomek Larek | Red | R | The Lost Caverns of Ixalan Commander |
| 23 | Ore-Rich Stalactite | Tomek Larek | Red | R | The Lost Caverns of Ixalan Commander |
| 137 | Ore-Scale Guardian | Aaron Miller | Red | U | Modern Horizons |
| 6 | Oreskos Explorer | Winona Nelson | White | U | Commander 2015 |
| 32 | Oreskos Explorer | Winona Nelson | White | U | Commander Anthology 2018 |
| 68 | Oreskos Explorer | Winona Nelson | White | U | Commander 2017 |
| 98 | Oreskos Explorer | Winona Nelson | White | U | Commander 2021 |
| 100 | Oreskos Explorer | Winona Nelson | White | U | Battlebond |
| 381 | Oreskos Explorer | Winona Nelson | White | U | Commander Legends |
| 832 | Oreskos Explorer | Winona Nelson | White | U | Commander Masters |
| 22 | Oreskos Sun Guide | Mathias Kollros | White | C | Born of the Gods |
| 20 | Oreskos Swiftclaw | James Ryman | White | C | Journey into Nyx |
| 22 | Oreskos Swiftclaw | James Ryman | White | C | Magic 2015 Core Set |
| 31 | Oreskos Swiftclaw | James Ryman | White | C | Core Set 2019 |
| 75 | Organ Grinder | Adam Rex | Black | C | Torment |