| 70 | Nullmage Advocate | Darrell Riche | Green | C | Planechase Anthology |
| 70 | Nullmage Advocate | Darrell Riche | Green | C | Planechase 2012 Edition |
| 126 | Nullmage Advocate | Darrell Riche | Green | C | Judgment |
| 70 | Nullmage Shepherd | Campbell White | Green | U | Kaldheim Commander |
| 174 | Nullmage Shepherd | Stephen Tappin | Green | U | Ravnica: City of Guilds |
| 118 | Nullpriest of Oblivion | Yongjae Choi | Black | R | Zendikar Rising |
| 342 | Nullpriest of Oblivion | Yongjae Choi | Black | R | Zendikar Rising |
| 266 | Nullstone Gargoyle | Glenn Fabry | | R | Ravnica: City of Guilds |
| 102 | Nulltread Gargantuan | Anthony Francisco | Blue/Green | U | Alara Reborn |
| 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 |
| 134 | Numai Outcast | Adam Rex | Black | U | Champions of Kamigawa |
| 42 | Number Crunch | Stephen Daniele | Blue | C | Unhinged |
| 40 | Numbing Dose | Brad Rigney | Blue | C | New Phyrexia |
| 42 | Numbing Jellyfish | Matt Dixon | Blue | C | Unstable |
| 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 |
| 44 | Nurgle's Conscription | Ørjan Ruttenborg Svendsen | Black | R | Warhammer 40,000 Commander |
| 45 | Nurgle's Rot | Roman Tishenin | Black | U | Warhammer 40,000 Commander |
| 124 | Nurturer Initiate | Jim Pavelec | Green | C | Shadowmoor |
| 203 | Nurturing Bristleback | John Tedrick | Green | C | The Lost Caverns of Ixalan |
| Nurturing Licid | Mark Poole | Green | U | Tempest |
| 114 | Nurturing Peatland | Alexander Gering | | R | Assassin's Creed |
| 243 | Nurturing Peatland | Noah Bradley | | R | Modern Horizons |
| 20 | Nurturing Pixie | Iris Compiet | White | U | Outlaws of Thunder Junction |
| 26 | Nurturing Presence | Irina Nordsol | White | C | Innistrad: Crimson Vow |
| 171 | Nut Collector | Jesper Ejsing | Green | M | Dominaria Remastered |
| 259 | Nut Collector | Christopher Moeller | Green | R | Odyssey |
| 347 | Nut Collector | Jesper Ejsing | Green | M | Dominaria Remastered |
| 440 | Nut Collector | Adam Rex | Green | M | Dominaria Remastered |
| 22 | Nykthos Paragon | Martina Pilcerova | White | R | Modern Horizons 2 |
| 331 | Nykthos Paragon | Martina Pilcerova | White | R | Modern Horizons 2 |
| 223 | Nykthos, Shrine to Nyx | Jung Park | | R | Theros |
| 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 |
| 33 | Nylea's Colossus | Grzegorz Rutkowski | Green | R | Commander 2018 |
| 167 | Nylea's Disciple | Trevor Claxton | Green | C | Theros |
| 168 | Nylea's Emissary | Sam Burley | Green | U | Theros |
| 186 | Nylea's Forerunner | Christopher Burdett | Green | C | Theros Beyond Death |
| 187 | Nylea's Huntmaster | Winona Nelson | Green | C | Theros Beyond Death |
| 188 | Nylea's Intervention | Zezhou Chen | Green | R | Theros Beyond Death |
| 169 | Nylea's Presence | Ralph Horsley | Green | C | Theros |
| 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 |
| 189 | Nyx Herald | Mark Zug | Green | U | Theros Beyond Death |
| 77 | Nyx Infusion | Jason A. Engle | Black | C | Journey into Nyx |
| 235 | Nyx Lotus | Raoul Vitale | | R | Theros Beyond Death |
| 153 | Nyx Weaver | Jack Wang | Black/Green | U | Journey into Nyx |
| 226 | Nyx Weaver | Jack Wang | Black/Green | U | Duskmourn: House of Horror Commander |
| 226 | Nyx Weaver | Jack Wang | Black/Green | U | Ikoria Commander |
| 933 | Nyx Weaver | Jack Wang | Black/Green | U | Commander Masters |
| 49 | Nyxathid | Raymond Swanland | Black | R | Conflux |
| 153 | Nyxathid | Raymond Swanland | Black | R | Battlebond |
| 259 | Nyxathid | Raymond Swanland | Black | R | Jumpstart |
| 190 | Nyxbloom Ancient | Filip Burburan | Green | M | Theros Beyond Death |
| 742 | Nyxborn Behemoth | Nestor Ossandon Leal | Green | R | Commander Masters |
| 772 | Nyxborn Behemoth | Nestor Ossandon Leal | Green | R | Commander Masters |
| 144 | Nyxborn Brute | Zoltan Boros | Red | C | Theros Beyond Death |
| 191 | Nyxborn Colossus | Mathias Kollros | Green | C | Theros Beyond Death |
| 29 | Nyxborn Courser | Bastien L. Deharme | White | C | Theros Beyond Death |
| 78 | Nyxborn Eidolon | Nils Hamm | Black | C | Born of the Gods |
| 164 | Nyxborn Hydra | Vincent Christiaens | Green | C | Modern Horizons 3 |
| 109 | Nyxborn Marauder | Steve Prescott | Black | C | Theros Beyond Death |
| 102 | Nyxborn Rollicker | Seb McKinnon | Red | C | Born of the Gods |
| 57 | Nyxborn Seaguard | Simon Dominic | Blue | C | Theros Beyond Death |
| 21 | Nyxborn Shieldmate | Eric Deschamps | White | C | Born of the Gods |
| 46 | Nyxborn Triton | Clint Cearley | Blue | C | Born of the Gods |
| 37 | Nyxborn Unicorn | Josiah "Jo" Cameron | White | C | Modern Horizons 3 |
| 131 | Nyxborn Wolf | Lucas Graciano | Green | C | Born of the Gods |
| 1 | Nyx-Fleece Ram | Terese Nielsen | White | U | Historic Anthology 2 |
| 18 | Nyx-Fleece Ram | Terese Nielsen | White | U | Journey into Nyx |
| 26 | Nyx-Fleece Ram | Terese Nielsen | White | U | Masters 25 |
| 131 | Oak Street Innkeeper | Svetlin Velinov | Green | U | Return to Ravnica |
| 180 | Oaken Boon | Jason A. Engle | Green | C | Throne of Eldraine |
| 33 | Oaken Brawler | Jim Murray | White | C | Lorwyn |
| 196 | Oaken Power Suit | Chuck Lukacs | | R | Unstable |
| 66 | Oaken Siren | Lars Grant-West | Blue | C | The Lost Caverns of Ixalan |
| 15 | Oakenform | Wayne Reynolds | Green | C | Welcome Deck 2016 |
| 25 | Oakenform | Wayne Reynolds | Green | C | Welcome Deck 2017 |
| 191 | Oakenform | Wayne Reynolds | Green | C | Core Set 2019 |
| 197 | Oakenform | Wayne Reynolds | Green | C | Magic 2010 |
| 341 | Oakenform | Wayne Reynolds | Green | C | Core Set 2020 |
| 15 | Oakgnarl Warrior | Jim Nelson | Green | C | Duel Decks: Nissa vs. Ob Nixilis |
| 232 | Oakgnarl Warrior | Jim Nelson | Green | C | Lorwyn |
| 167 | Oakhame Adversary | Nicholas Gregory | Green | U | Throne of Eldraine |
| 212 | Oakhame Ranger | Mitchell Malloy | White/Green | U | Throne of Eldraine |
| 133 | Oakheart Dryads | Johann Bodin | Green | C | Journey into Nyx |
| 258 | Oakhollow Village | Julian Kok Joon Wen | | U | Bloomburrow |
| 212 | Oakshade Stalker | Alexander Mokhov | Green | U | Innistrad: Crimson Vow |
| 177 | Oashra Cultivator | Sara Winters | Green | C | Amonkhet |
| 204 | Oashra Cultivator | Sara Winters | Green | C | Amonkhet Remastered |
| 697 | Oashra Cultivator | Sara Winters | Green | C | Jumpstart 2022 |
| Oasis | Brian Snoddy | | U | Fourth Edition |
| Oasis | Brian Snoddy | | U | Arabian Nights |
| 248 | Oasis | Brian Snoddy | | C | Masters Edition IV |
| 246 | Oasis Gardener | Kristina Carroll | | C | Outlaws of Thunder Junction |
| 124 | Oasis Ritualist | Josu Hernaiz | Green | C | Hour of Devastation |
| 205 | Oasis Ritualist | Josu Hernaiz | Green | C | Amonkhet Remastered |
| 131 | Oath of Ajani | Wesley Burt | White/Green | R | Aether Revolt |
| 200 | Oath of Ajani | Wesley Burt | White/Green | R | Kaladesh Remastered |
| 113 | Oath of Chandra | Wesley Burt | Red | R | Oath of the Gatewatch |
| 115 | Oath of Druids | Daren Bader | Green | R | Exodus |
| 159 | Oath of Druids | Daren Bader | Green | R | Commander 2016 |
| 184 | Oath of Druids | Daren Bader | Green | M | Tempest Remastered |
| 223 | Oath of Druids | Daren Bader | Green | M | Vintage Masters |
| 64 | Oath of Eorl | Randy Gallegos | White/Red | R | The Lord of the Rings: Tales of Middle Earth Commander |
| 471 | Oath of Eorl | Randy Gallegos | White/Red | R | The Lord of the Rings: Tales of Middle Earth Commander |
| 69 | Oath of Ghouls | Brom | Black | R | Exodus |
| 30 | Oath of Gideon | Wesley Burt | White | R | Oath of the Gatewatch |
| 830 | Oath of Gideon | Wesley Burt | White | R | Commander Masters |
| 60 | Oath of Jace | Wesley Burt | Blue | R | Oath of the Gatewatch |
| 854 | Oath of Jace | Wesley Burt | Blue | R | Commander Masters |
| 209 | Oath of Kaya | Wesley Burt | White/Black | R | War of the Spark |
| 11 | Oath of Lieges | Mark Zug | White | R | Exodus |
| 99 | Oath of Liliana | Wesley Burt | Black | R | Eldritch Moon |
| Oath of Lim-Dûl | Douglas Shuler | Black | R | Ice Age |
| 90 | Oath of Mages | Keith Parkinson | Red | R | Exodus |
| 140 | Oath of Nissa | Wesley Burt | Green | R | Oath of the Gatewatch |
| 42 | Oath of Scholars | Michael Sutfin | Blue | R | Exodus |
| 200 | Oath of Teferi | Wesley Burt | White/Blue | R | Dominaria |
| 934 | Oath of Teferi | Wesley Burt | White/Blue | R | Commander Masters |
| 187 | Oath of the Ancient Wood | Dan Scott | Green | R | Magic 2014 Core Set |
| 101 | Oath of the Grey Host | Miklós Ligeti | Black | U | The Lord of the Rings: Tales of Middle Earth |
| 552 | Oath of the Grey Host | Miklós Ligeti | Black | U | The Lord of the Rings: Tales of Middle Earth |
| 265 | Oathkeeper, Takeno's Daisho | Arnie Swekel | | R | Champions of Kamigawa |
| 27 | Oathsworn Giant | Daren Bader | White | U | Ravnica: City of Guilds |
| 98 | Oathsworn Knight | Svetlin Velinov | Black | R | Throne of Eldraine |
| 70 | Oathsworn Vampire | ボーダー/BORDER | Black | U | Jumpstart 2022 |
| 80 | Oathsworn Vampire | Greg Opalinski | Black | U | Rivals of Ixalan |
| 204 | Oathsworn Vampire | Greg Opalinski | Black | U | The Lost Caverns of Ixalan Commander |
| 27 | Ob Nixilis of the Black Oath | Daarken | Black | M | Commander 2014 |
| 176 | Ob Nixilis of the Black Oath | Daarken | Black | R | Commander Masters |
| 517 | Ob Nixilis of the Black Oath | Daarken | Black | R | Commander Masters |
| 36 | Ob Nixilis Reignited | Raymond Swanland | Black | M | Duel Decks: Nissa vs. Ob Nixilis |
| 119 | Ob Nixilis Reignited | Chris Rahn | Black | M | Battle for Zendikar |
| 124 | Ob Nixilis Reignited | Chris Rahn | Black | M | Commander 2019 |
| 149 | Ob Nixilis Reignited | Chris Rahn | Black | M | Commander 2021 |
| 152 | Ob Nixilis Reignited | Chris Rahn | Black | M | Duskmourn: House of Horror 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 |
| 206 | Ob Nixilis, the Adversary | Yongjae Choi | Black/Red | M | Streets of New Capenna |
| 284 | Ob Nixilis, the Adversary | Tom Roberts | Black/Red | M | Streets of New Capenna |
| 348 | Ob Nixilis, the Adversary | Igor Kieryluk | Black/Red | M | Streets of New Capenna |
| 101 | Ob Nixilis, the Fallen | Jason Felix | Black | M | Iconic Masters |
| 107 | Ob Nixilis, the Fallen | Jason Felix | Black | M | Zendikar |
| 100 | Ob Nixilis, the Hate-Twisted | Yongjae Choi | Black | U | War of the Spark |
| 450 | Ob Nixilis, the Hate-Twisted | Yongjae Choi | Black | U | Jumpstart 2022 |
| 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 |
| 101 | Ob Nixilis's Cruelty | Igor Kieryluk | Black | C | War of the Spark |
| 451 | Ob Nixilis's Cruelty | Igor Kieryluk | Black | C | Jumpstart 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 |