| 140 | Molten Birth | Jaime Jones | Red | C | Ultimate Masters |
| 147 | Molten Birth | Jaime Jones | Red | U | Magic 2014 Core Set |
| 149 | Molten Blast | Izzy | Red | C | Zendikar Rising |
| 128 | Molten Gatekeeper | Joe Slucher | Red | C | Modern Horizons 3 |
| 130 | Molten Nursery | Raymond Swanland | Red | U | Battle for Zendikar |
| 98 | Molten Psyche | Ryan Yee | Red | R | Scars of Mirrodin |
| 101 | Molten Rain | Hugh Jamieson | Red | C | Mirrodin |
| 103 | Molten Rain | Sung Choi | Red | U | Modern Masters 2017 Edition |
| 348 | Molten Rain | Hugh Jamieson | Red | B | Time Spiral Remastered |
| 78 | Molten Ravager | Dave Kendall | Red | C | Arena Base Set |
| 138 | Molten Ravager | Dave Kendall | Red | C | Zendikar |
| 351 | Molten Ravager | Dave Kendall | Red | C | Jumpstart |
| 138 | Molting Skin | Jeremy Jarvis | Green | U | Saviors of Kamigawa |
| 108 | Moment of Defiance | Inkognit | Black | C | The Brothers' War |
| 20 | Moment of Valor | Joshua Cairos | White | C | Wilds of Eldraine |
| 113 | Momentum | Carl Critchlow | Green | U | Urza's Destiny |
| 47 | Monastery Flock | John Avon | Blue | C | Khans of Tarkir |
| 20 | Monastery Mentor | Magali Villeneuve | White | M | Fate Reforged |
| 21 | Monastery Mentor | Magali Villeneuve | White | M | Double Masters 2022 |
| 28 | Monastery Mentor | Brian Valeza | White | M | March of the Machine |
| 347 | Monastery Mentor | Brian Valeza | White | M | March of the Machine |
| 420 | Monastery Mentor | Magali Villeneuve | White | M | Double Masters 2022 |
| 35 | Monastery Raid | Alexandre Honoré | Red | U | Assassin's Creed |
| 217 | Monastery Raid | Alexandre Honoré | Red | U | Assassin's Creed |
| 43 | Monastery Siege | Mark Winters | Blue | R | Fate Reforged |
| 88 | Monastery Siege | Mark Winters | Blue | R | Commander 2017 |
| 39 | Moniker Mage | Keith Garletts | Blue | C | Unhinged |
| 20 | Monk Idealist | Daren Bader | White | U | Urza's Saga |
| 21 | Monk Idealist | Daren Bader | White | C | Eternal Masters |
| 76 | Monk Idealist | Daren Bader | White | U | Commander 2015 |
| 19 | Monologue Tax | Justine Cruz | White | R | Commander 2021 |
| 346 | Monologue Tax | Justine Cruz | White | R | Commander 2021 |
| 217 | Monster Manual | David Gaillet | Green | R | Alchemy Horizons: Baldur's Gate |
| 242 | Monster Manual | David Gaillet | Green | R | Commander Legends: Battle for Baldur's Gate |
| 591 | Monster Manual | David Gaillet | Green | R | Commander Legends: Battle for Baldur's Gate |
| 26 | Moon-Blessed Cleric | Marta Nael | White | U | Adventures in the Forgotten Realms |
| 46 | Moonbow Illusionist | Dan Frazier | Blue | C | Saviors of Kamigawa |
| 68 | Moonfolk Puzzlemaker | Miguel Mercado | Blue | C | Kamigawa: Neon Dynasty |
| 324 | Moonfolk Puzzlemaker | Miguel Mercado | Blue | C | Jumpstart 2022 |
| 67 | Moonglove Changeling | Wayne England | Black | C | Morningtide |
| 24 | Moonglove Extract | Terese Nielsen | | C | Duel Decks Anthology, Elves vs. Goblins |
| 24 | Moonglove Extract | Terese Nielsen | | C | Duel Decks: Elves vs. Goblins |
| 67 | Moonglove Extract | Terese Nielsen | | C | Duel Decks: Elspeth vs. Tezzeret |
| 222 | Moonglove Extract | Terese Nielsen | | C | Iconic Masters |
| 258 | Moonglove Extract | Terese Nielsen | | C | Lorwyn |
| 143 | Moonhold | Mike Dringenberg | White/Red | U | Eventide |
| 29 | Moonlight Geist | Dan Scott | White | C | Avacyn Restored |
| 29 | Moonlit Wake | Greg & Tim Hildebrandt | White | U | Mercadian Masques |
| 148 | Moonrager's Slash | Lars Grant-West | Red | C | Innistrad: Midnight Hunt |
| 20 | Moonwing Moth | Franz Vohwinkel | White | C | Saviors of Kamigawa |
| Morale | Mark Poole | White | C | Fourth Edition |
| Morale | Mark Poole | White | C | The Dark |
| 94 | Morbid Curiosity | Kieran Yanner | Black | U | Kaladesh |
| 149 | Morbid Curiosity | Kieran Yanner | Black | U | Battlebond |
| 32 | Morbid Opportunist | Chris Seaman | Black | M | Special Guests |
| 113 | Morbid Opportunist | Tyler Walpole | Black | U | Innistrad: Midnight Hunt |
| 142 | Morbid Opportunist | Tyler Walpole | Black | U | Outlaws of Thunder Junction Commander |
| 186 | Morbid Opportunist | Lorenzo Mastroianni | Black | U | Magic The Gathering—Fallout |
| 47 | Morbid Plunder | Mike Bierek | Black | C | Mirrodin Besieged |
| 97 | Mordor Trebuchet | Alexander Forssberg | Black | C | The Lord of the Rings: Tales of Middle Earth |
| 548 | Mordor Trebuchet | Alexander Forssberg | Black | C | The Lord of the Rings: Tales of Middle Earth |
| Morgue Thrull | Robert Bliss | Black | C | Stronghold |
| 46 | Morgue Toad | Franz Vohwinkel | Black | C | Planeshift |
| 47 | Morgue Toad | Franz Vohwinkel | Black | C | Duel Decks: Ajani vs. Nicol Bolas |
| 63 | Moria Scavenger | Igor Krstic | Black/Red | R | The Lord of the Rings: Tales of Middle Earth Commander |
| 145 | Moria Scavenger | Igor Krstic | Black/Red | R | The Lord of the Rings: Tales of Middle Earth Commander |
| 470 | Moria Scavenger | Igor Krstic | Black/Red | R | The Lord of the Rings: Tales of Middle Earth Commander |
| 70 | Moriok Reaver | Marc Simonetti | Black | C | Scars of Mirrodin |
| 178 | Moriok Replica | Zoltan Boros & Gabor Szikszai | | C | Scars of Mirrodin |
| 54 | Moriok Rigger | Wayne England | Black | R | Fifth Dawn |
| 3 | Morska, Undersea Sleuth | Ekaterina Burmak | White/Blue/Green | M | Murders at Karlov Manor Commander |
| 317 | Morska, Undersea Sleuth | Ekaterina Burmak | White/Blue/Green | M | Murders at Karlov Manor Commander |
| 25 | Mortify | Nils Hamm | White/Black | U | Duel Decks: Sorin vs. Tibalt |
| 40 | Mortify | Nils Hamm | White/Black | U | Explorers of Ixalan |
| 96 | Mortify | Wangjie Li | White/Black | U | Assassin's Creed |
| 122 | Mortify | Anthony Palumbo | White/Black | U | Phyrexia: All Will Be One Commander |
| 122 | Mortify | Glen Angus | White/Black | U | Guildpact |
| 161 | Mortify | Anthony Palumbo | White/Black | U | Dominaria United Commander |
| 163 | Mortify | Nils Hamm | White/Black | U | Commander Anthology 2018 |
| 182 | Mortify | Nils Hamm | White/Black | U | Commander 2017 |
| 186 | Mortify | Nils Hamm | White/Black | U | Commander 2018 |
| 187 | Mortify | Glen Angus | White/Black | U | Commander Anthology |
| 190 | Mortify | Nils Hamm | White/Black | U | Magic: The Gathering—Conspiracy |
| 192 | Mortify | Anthony Palumbo | White/Black | U | Ravnica Allegiance |
| 211 | Mortify | Glen Angus | White/Black | U | Magic: The Gathering-Commander |
| 212 | Mortify | Nils Hamm | White/Black | U | Commander 2016 |
| 225 | Mortify | Billy Christian | White/Black | U | Warhammer 40,000 Commander |
| 243 | Mortify | Wangjie Li | White/Black | U | Assassin's Creed |
| 269 | Mortify | Ilker Yildiz | White/Black | U | The Lord of the Rings: Tales of Middle Earth Commander |
| 337 | Mortify | Anthony Palumbo | White/Black | U | March of the Machine Commander |
| 381 | Mortify | Glen Angus | White/Black | B | Time Spiral Remastered |
| 72 | Mortiphobia | Christopher Moeller | Black | U | Torment |
| 179 | Mortus Strider | Tomasz Jedruszek | Blue/Black | C | Gatecrash |
| 203 | Mortus Strider | Tiffany Turrill | Blue/Black | C | Ravnica Remastered |
| 167 | Mosscoat Goriak | Dan Scott | Green | C | Ikoria: Lair of Behemoths |
| 153 | Most Wanted | Rémi Jacquot | Green | C | Streets of New Capenna |
| 59 | Mother of Goons | Darrell Riche | Black | C | Unhinged |
| 43 | Mournful Zombie | John Matson | Black | C | Apocalypse |
| 28 | Mourning Patrol | Greg Opalinski | White | C | Innistrad: Midnight Hunt |
| 187 | Mournwillow | Jeff Simpson | Black/Green | U | Eldritch Moon |
| 237 | Mournwillow | Jeff Simpson | Black/Green | U | Shadows Over Innistrad Remastered |
| 202 | Mouth | Zack Stella | Green | R | Amonkhet Remastered |
| 214 | Mouth | Zack Stella | Green | R | Amonkhet |
| 7 | Mr. House, President and CEO | Joseph Meehan | White/Black/Red | M | Magic The Gathering—Fallout |
| 421 | Mr. House, President and CEO | Joseph Meehan | White/Black/Red | M | Magic The Gathering—Fallout |
| 68 | Mu Yanling, Sky Dancer | G-host Lee | Blue | M | Core Set 2020 |
| 46 | Mudbutton Torchrunner | Steve Ellis | Red | C | Duel Decks Anthology, Elves vs. Goblins |
| 46 | Mudbutton Torchrunner | Steve Ellis | Red | C | Duel Decks: Elves vs. Goblins |
| 49 | Mudbutton Torchrunner | Steve Ellis | Red | C | Planechase Anthology |
| 49 | Mudbutton Torchrunner | Steve Ellis | Red | C | Planechase 2012 Edition |
| 52 | Mudbutton Torchrunner | Steve Ellis | Red | C | Duel Decks: Knights vs. Dragons |
| 104 | Mudbutton Torchrunner | Steve Ellis | Red | C | Modern Masters 2017 Edition |
| 185 | Mudbutton Torchrunner | Steve Ellis | Red | C | Lorwyn |
| 574 | Mudbutton Torchrunner | Steve Ellis | Red | C | Jumpstart 2022 |
| 208 | Mudhole | Gary Ruddell | Red | R | Odyssey |
| Mudslide | Brian Snoddy | Red | R | Ice Age |
| 136 | Mudslide | Brian Snoddy | Red | R | Masters Edition II |
| 198 | Mul Daya Channelers | Jason Chan | Green | R | Rise of the Eldrazi |
| Mundungu | Terese Nielsen | Blue/Black | U | Visions |
| 195 | Murasa Brute | Caio Monteiro | Green | C | Zendikar Rising |
| 196 | Murasa Sproutling | Svetlin Velinov | Green | U | Zendikar Rising |
| 16 | Murder | Willem Hampson | Black | U | Outlaws of Thunder Junction Breaking News |
| 47 | Murder | Allen Williams | Black | C | Zendikar Rising Commander |
| 53 | Murder | Tyler Jacobson | Black | U | Arena Base Set |
| 88 | Murder | Yongjae Choi | Black | C | Streets of New Capenna |
| 92 | Murder | Lixin Yin | Black | U | Assassin's Creed |
| 95 | Murder | Isis | Black | C | Murders at Karlov Manor |
| 97 | Murder | Tyler Jacobson | Black | U | Eldritch Moon |
| 98 | Murder | Allen Williams | Black | C | Masters 25 |
| 101 | Murder | Allen Williams | Black | C | Magic 2013 |
| 109 | Murder | Allen Williams | Black | C | Core Set 2020 |
| 110 | Murder | Tyler Jacobson | Black | U | Core Set 2019 |
| 134 | Murder | David Astruga | Black | C | Commander Legends: Battle for Baldur's Gate |
| 134 | Murder | Allen Williams | Black | C | Commander Legends |
| 143 | Murder | Allen Williams | Black | C | Conspiracy: Take the Crown |
| 208 | Murder | Lixin Yin | Black | U | Assassin's Creed |
| 300 | Murder | Richard Wright | Black | C | Murders at Karlov Manor |
| 61 | Murderous Betrayal | Randy Gallegos | Black | R | Nemesis |
| 147 | Murderous Betrayal | Randy Gallegos | Black | R | Eighth Edition |
| 97 | Murderous Rider | Josh Hass | Black | R | Throne of Eldraine |
| 258 | Murderous Rider | Josh Hass | Black | R | March of the Machine Commander |
| 47 | Murmurs from Beyond | Paolo Parente | Blue | C | Saviors of Kamigawa |
| 53 | Murmurs from Beyond | Parente | Blue | C | Magic: The Gathering-Commander |
| Musician | Drew Tucker | Blue | R | Ice Age |
| 56 | Musician | Drew Tucker | Blue | R | Masters Edition II |
| 36 | Muster the Departed | Andrew Mar | White | U | Modern Horizons 3 |
| 248 | Mutagen Connoisseur | Alex Brock | Blue/Green | U | March of the Machine |
| 53 | Mutated Cultist | Dave Kendall | Black | R | Modern Horizons 3 Commander |
| 105 | Mutated Cultist | Dave Kendall | Black | R | Modern Horizons 3 Commander |
| 111 | Mutational Advantage | Maxim Kostin | Blue/Green | R | Magic The Gathering—Fallout |
| 422 | Mutational Advantage | Maxim Kostin | Blue/Green | R | Magic The Gathering—Fallout |
| 23 | Muzzio, Visionary Architect | Volkan Baga | Blue | M | Magic: The Gathering—Conspiracy |
| 82 | Muzzio, Visionary Architect | Volkan Baga | Blue | M | Vintage Masters |
| 89 | Muzzio, Visionary Architect | Volkan Baga | Blue | M | The Brothers' War Commander |
| 177 | Mwonvuli Beast Tracker | Zoltan Boros | Green | U | Magic 2013 |
| 125 | My First Tome | Heather Hudson | | U | Unhinged |
| 109 | Mycosynth Fiend | Kev Walker | Green | U | Phyrexia: All Will Be One Commander |
| 117 | Mycosynth Fiend | Kev Walker | Green | U | New Phyrexia |
| 210 | Myr Adapter | Ben Thompson | | C | Mirrodin |
| 235 | Myr Custodian | Mark Behm | | C | Phyrexia: All Will Be One |
| 181 | Myr Galvanizer | Greg Staples | | U | Scars of Mirrodin |
| 131 | Myr Landshaper | Greg Staples | | C | Darksteel |
| 182 | Myr Propagator | Ryan Pancoast | | R | Scars of Mirrodin |
| 183 | Myr Reservoir | Jung Park | | R | Scars of Mirrodin |
| 118 | Myr Welder | Austin Hsu | | R | Mirrodin Besieged |
| 136 | Myrkul's Invoker | Aaron J. Riley | Black | C | Commander Legends: Battle for Baldur's Gate |
| 22 | Mysterious Pathlighter | Kimonas Theodossiou | White | U | Throne of Eldraine |
| 63 | Mysterious Tome | David Auden Nash | Blue | U | Innistrad: Midnight Hunt |
| 33 | Mystic Crusader | Kev Walker | White | R | Odyssey |
| Mystic Denial | DiTerlizzi | Blue | U | Portal Second Age |
| Mystic Denial | Hannibal King | Blue | U | Portal |
| 49 | Mystic Denial | Kang Yu | Blue | U | Portal Three Kingdoms |
| 53 | Mystic Redaction | Donato Giancola | Blue | U | Modern Horizons 2 |
| 338 | Mystic Redaction | Donato Giancola | Blue | U | Modern Horizons 2 |
| 326 | Mystic Skyfish | Alayna Danner | Blue | C | Jumpstart 2022 |
| 326 | Mystic Skyfish | Alayna Danner | Blue | C | Core Set 2021 |
| 58 | Mystical Dispute | Ekaterina Burmak | Blue | U | Throne of Eldraine |
| 19 | Mystical Tether | Adam Volker | White | C | Outlaws of Thunder Junction |
| 32 | Myth Unbound | Alexander Forssberg | Green | R | Commander 2018 |
| 97 | Mythos of Nethroi | Seb McKinnon | Black | R | Ikoria: Lair of Behemoths |
| 27 | Nadaar, Selfless Paladin | Aaron Miller | White | R | Adventures in the Forgotten Realms |
| 303 | Nadaar, Selfless Paladin | Phil Stone | White | R | Adventures in the Forgotten Realms |
| 136 | Nadier's Nightblade | Randy Vargas | Black | U | Commander Legends |
| 175 | Nadier's Nightblade | Randy Vargas | Black | C | Commander Masters |
| 275 | Nadier's Nightblade | Randy Vargas | Black | U | Modern Horizons 3 |
| 641 | Nadier's Nightblade | Douglas Shuler | Black | C | Commander Masters |
| 55 | Nadir Kraken | Dan Scott | Blue | R | Theros Beyond Death |
| 112 | Nadir Kraken | Dan Murayama Scott | Blue | R | Murders at Karlov Manor Commander |
| 228 | Nadir Kraken | Dan Scott | Blue | R | March of the Machine Commander |
| 228 | Nadir Kraken | Dan Scott | Blue | R | Streets of New Capenna Commander |
| 193 | Nadu, Winged Wisdom | Daren Bader | Blue/Green | R | Modern Horizons 3 |
| 377 | Nadu, Winged Wisdom | Gossip Goblin | Blue/Green | R | Modern Horizons 3 |
| 491 | Nadu, Winged Wisdom | Daren Bader | Blue/Green | R | Modern Horizons 3 |
| 60 | Naga Eternal | Johann Bodin | Blue | C | War of the Spark |
| 29 | Nahiri's Binding | Magali Villeneuve | White | C | Zendikar Rising |
| 155 | Nahiri's Warcrafting | Zara Alfonso | Red | R | March of the Machine |
| 365 | Nahiri's Warcrafting | Zara Alfonso | Red | R | March of the Machine |
| 137 | Nahiri's Wrath | Chris Rahn | Red | M | Eldritch Moon |
| 171 | Nahiri's Wrath | Chris Rahn | Red | M | Shadows Over Innistrad Remastered |
| 56 | Naiad of Hidden Coves | Kieran Yanner | Blue | C | Theros Beyond Death |