| 112 | Marker Beetles | Ron Spencer | Green | C | Urza's Destiny |
| 148 | Market | Victor Adame Minguez | Blue | U | Hour of Devastation |
| 192 | Market | Victor Adame Minguez | Blue | U | Commander 2019 |
| 236 | Market | Victor Adame Minguez | Blue | U | Amonkhet Remastered |
| 14 | Markov Baron | Ina Wong | Black | U | March of the Machine: The Aftermath |
| 64 | Markov Baron | Xiaobotong | Black | U | March of the Machine: The Aftermath |
| 114 | Markov Baron | Ina Wong | Black | U | March of the Machine: The Aftermath |
| 198 | Markov Baron | Xiaobotong | Black | U | March of the Machine: The Aftermath |
| 96 | Markov Blademaster | Jana Schirmer & Johannes Voss | Red | R | Dark Ascension |
| 107 | Markov Patrician | Jana Schirmer & Johannes Voss | Black | C | Innistrad |
| 241 | Markov Purifier | G-host Lee | White/Black | U | Innistrad: Crimson Vow |
| 312 | Markov Purifier | Samuel Araya | White/Black | U | Innistrad: Crimson Vow |
| 171 | Markov Retribution | Uriah Voth | Red | U | Innistrad: Crimson Vow |
| 13 | Marshaling Cry | Vance Kovacs | White | C | Future Sight |
| 48 | Martha Jones | Daniel Correia | Blue | R | Doctor Who Commander |
| 363 | Martha Jones | Daniel Correia | Blue | R | Doctor Who Commander |
| 28 | Martial Impetus | Aaron Miller | White | U | Ikoria Commander |
| 33 | Martial Impetus | Brian Valeza | White | C | Commander Legends: Battle for Baldur's Gate |
| 65 | Martial Impetus | Aaron Miller | White | C | Ravnica Clue Edition |
| 72 | Martial Impetus | Aaron Miller | White | U | Murders at Karlov Manor Commander |
| 96 | Martial Impetus | Aaron Miller | White | U | Commander 2021 |
| Martyrdom | Mark Poole | White | C | Alliances |
| Martyrdom | Mark Poole | White | C | Alliances |
| 13 | Martyr's Cause | Jeff Laubenstein | White | U | Urza's Legacy |
| 19 | Martyr's Soul | Mila Pesic | White | C | Modern Horizons |
| 212 | Martyr's Soul | Mila Pesic | White | C | Jumpstart 2022 |
| 68 | Marwyn, the Nurturer | Chris Rahn | Green | R | Kaldheim Commander |
| 172 | Marwyn, the Nurturer | Chris Rahn | Green | R | Dominaria |
| 61 | Mary Read and Anne Bonny | Wangjie Li | Blue/Red | R | Assassin's Creed |
| 120 | Mary Read and Anne Bonny | Wei Guan | Blue/Red | R | Assassin's Creed |
| 242 | Mary Read and Anne Bonny | Wangjie Li | Blue/Red | R | Assassin's Creed |
| 33 | Masako the Humorless | Ben Thompson | White | R | Champions of Kamigawa |
| 111 | Mask of Griselbrand | Jason Felix | Black | R | Innistrad: Midnight Hunt |
| 347 | Mask of Griselbrand | Jason Felix | Black | R | Innistrad: Midnight Hunt |
| 28 | Mask of the Schemer | James Paick | Blue | R | Streets of New Capenna Commander |
| 129 | Mask of the Schemer | James Paick | Blue | R | Streets of New Capenna Commander |
| 66 | Mass Appeal | Christopher Moeller | Blue | U | Avacyn Restored |
| 100 | Massive Raid | Zoltan Boros | Red | C | Gatecrash |
| 32 | Master Apothecary | Terese Nielsen | White | R | Odyssey |
| 241 | Master Chef | Forrest Imel | Green | C | Commander Legends: Battle for Baldur's Gate |
| Master of Arms | Dan Frazier | White | U | Weatherlight |
| 205 | Master of Death | John Stanko | Blue/Black | R | Modern Horizons 2 |
| 216 | Master of Death | John Stanko | Blue/Black | R | Murders at Karlov Manor Commander |
| 465 | Master of Death | John Stanko | Blue/Black | R | Modern Horizons 2 |
| 24 | Master of Diversion | Michael Komarck | White | C | Magic 2014 Core Set |
| 11 | Master of Etherium | Matt Cavotta | Blue | R | Planechase |
| 48 | Master of Etherium | Matt Cavotta | Blue | R | Duel Decks: Elspeth vs. Tezzeret |
| 49 | Master of Etherium | Matt Cavotta | Blue | R | Shards of Alara |
| 57 | Master of Etherium | Matt Cavotta | Blue | R | Double Masters |
| 86 | Master of Etherium | Matt Cavotta | Blue | R | The Brothers' War Commander |
| 92 | Master of Etherium | Matt Cavotta | Blue | R | Commander 2016 |
| 94 | Master of Etherium | Matt Cavotta | Blue | R | Kamigawa: Neon Dynasty Commander |
| 226 | Master of Etherium | Matt Cavotta | Blue | R | March of the Machine Commander |
| 75 | Master of the Feast | Chris Rahn | Black | R | Journey into Nyx |
| 21 | Master Trinketeer | Matt Stewart | White | R | Kaladesh |
| 25 | Master Trinketeer | Matt Stewart | White | R | Kaladesh Remastered |
| 60 | Masterful Ninja | Matt Gaser | Black | R | Unstable |
| 3 | Mastermind Plum | Bryan Sola | Black | R | Ravnica Clue Edition |
| 13 | Master's Call | David Rapoza | White | C | Mirrodin Besieged |
| 84 | Matca Rioters | Steve Argyle | Green | C | Conflux |
| 148 | Matca Rioters | Steve Argyle | Green | C | Modern Masters 2015 Edition |
| 42 | Mathas, Fiend Seeker | Joe Slucher | White/Black/Red | M | Commander 2017 |
| 252 | Mathas, Fiend Seeker | Joe Slucher | White/Black/Red | R | Double Masters 2022 |
| 523 | Mathas, Fiend Seeker | Joe Slucher | White/Black/Red | R | Double Masters 2022 |
| 227 | Matsu-Tribe Decoy | Alan Pollack | Green | C | Champions of Kamigawa |
| 6 | Matter Reshaper | Chris Rahn | | R | Oath of the Gatewatch |
| 806 | Matter Reshaper | Chris Rahn | | R | Commander Masters |
| 256 | Matzalantli, the Great Door | Piotr Dura | | R | The Lost Caverns of Ixalan |
| 387 | Matzalantli, the Great Door | Piotr Dura | | R | The Lost Caverns of Ixalan |
| 27 | Maul of the Skyclaves | Joseph Meehan | White | R | Zendikar Rising |
| 80 | Maul of the Skyclaves | Joseph Meehan | White | R | Phyrexia: All Will Be One Commander |
| 195 | Maul of the Skyclaves | Joseph Meehan | White | R | March of the Machine Commander |
| 320 | Maul of the Skyclaves | Joseph Meehan | White | R | Zendikar Rising |
| 115 | Maulfist Revolutionary | Scott Murphy | Green | U | Aether Revolt |
| 168 | Maulfist Revolutionary | Scott Murphy | Green | U | Kaladesh Remastered |
| 21 | Mavinda, Students' Advocate | Wesley Burt | White | M | Strixhaven: School of Mages |
| 291 | Mavinda, Students' Advocate | Wesley Burt | White | M | Strixhaven: School of Mages |
| 24 | Mavren Fein, Dusk Apostle | Daarken | White | R | Ixalan |
| 133 | Mavren Fein, Dusk Apostle | Daarken | White | R | The Lost Caverns of Ixalan Commander |
| 179 | Mayael the Anima | Jason Chan | White/Red/Green | M | Shards of Alara |
| 199 | Mayael the Anima | Jason Chan | White/Red/Green | M | Commander 2013 Edition |
| 121 | Mayael's Aria | Steve Argyle | White/Red/Green | R | Alara Reborn |
| 253 | Mayael's Aria | Steve Argyle | White/Red/Green | R | Double Masters 2022 |
| 524 | Mayael's Aria | Steve Argyle | White/Red/Green | R | Double Masters 2022 |
| 199 | Mayhem Devil | Dmitry Burmak | Black/Red | U | Ravnica Remastered |
| 204 | Mayhem Devil | Dmitry Burmak | Black/Red | U | War of the Spark |
| 374 | Mayhem Devil | Dmitry Burmak | Black/Red | U | Ravnica Remastered |
| 174 | Maze's Mantle | L.A draws | Green | C | Phyrexia: All Will Be One |
| 139 | Mechanized Warfare | Robin Olausson | Red | R | The Brothers' War |
| 338 | Mechanized Warfare | Robin Olausson | Red | R | The Brothers' War |
| 133 | Medicine Bag | DiTerlizzi | | U | Exodus |
| Meditate | Susan Van Camp | Blue | R | Tempest |
| 60 | Meditate | Susan Van Camp | Blue | R | Tempest Remastered |
| 259 | Megatherium | Paolo Parente | Green | R | Mercadian Masques |
| Megrim | Donato Giancola | Black | U | Stronghold |
| 104 | Megrim | Nick Percival | Black | U | Magic 2010 |
| 143 | Megrim | Peter Bollinger | Black | U | Eighth Edition |
| 144 | Megrim | Nick Percival | Black | U | Ninth Edition |
| 146 | Megrim | Peter Bollinger | Black | U | Seventh Edition |
| 157 | Megrim | Nick Percival | Black | U | Tenth Edition |
| 88 | Melancholy | Lars Grant-West | Black | C | Planar Chaos |
| 54 | Meletis Charlatan | Jason A. Engle | Blue | R | Theros |
| 134 | Memory Crystal | Michael Sutfin | | R | Exodus |
| 45 | Memory Erosion | Howard Lyon | Blue | R | Commander Anthology 2018 |
| 50 | Memory Erosion | Howard Lyon | Blue | R | Magic: The Gathering-Commander |
| 50 | Memory Erosion | Howard Lyon | Blue | R | Shards of Alara |
| 95 | Memory Leak | Karl Kopinski | Black | C | Ikoria: Lair of Behemoths |
| 96 | Memory Theft | Micah Epstein | Black | C | Throne of Eldraine |
| 241 | Mend the Wilds | Steve Prescott | Green | U | Wilds of Eldraine |
| 37 | Mental Discipline | Edward P. Beard, Jr. | Blue | C | Urza's Destiny |
| 11 | Mentor of Evos Isle | Shreya Shetty | Blue | C | Jumpstart: Historic Horizons |
| 15 | Mentor of the Meek | Jana Schirmer & Johannes Voss | White | R | Archenemy: Nicol Bolas |
| 17 | Mentor of the Meek | Jana Schirmer & Johannes Voss | White | U | Double Masters 2022 |
| 21 | Mentor of the Meek | Jana Schirmer & Johannes Voss | White | R | Innistrad |
| 27 | Mentor of the Meek | Jana Schirmer & Johannes Voss | White | R | Core Set 2019 |
| 69 | Mentor of the Meek | Jana Schirmer & Johannes Voss | White | R | Commander 2016 |
| 79 | Mentor of the Meek | Jana Schirmer & Johannes Voss | White | R | Commander 2014 |
| 81 | Mentor of the Meek | Jana Schirmer & Johannes Voss | White | R | Phyrexia: All Will Be One Commander |
| 93 | Mentor of the Meek | Jana Schirmer & Johannes Voss | White | R | Innistrad: Crimson Vow Commander |
| 121 | Mentor of the Meek | Jana Schirmer & Johannes Voss | White | R | Jumpstart |
| 173 | Mentor of the Meek | Wei Guan | White | R | The Lord of the Rings: Tales of Middle Earth Commander |
| 196 | Mentor of the Meek | Jana Schirmer & Johannes Voss | White | R | March of the Machine Commander |
| 340 | Mentor of the Meek | Alex Horley-Orlandelli | White | U | Double Masters 2022 |
| 46 | Mentor's Guidance | Brian Valeza | Blue | U | Strixhaven: School of Mages |
| 76 | Mephitic Vapors | Darek Zabrocki | Black | C | Guilds of Ravnica |
| 85 | Mephitic Vapors | Darek Zabrocki | Black | C | Ravnica Remastered |
| 205 | Mercadia's Downfall | Pete Venters | Red | U | Mercadian Masques |
| 15 | Mercenary Informer | Nelson DeCastro | White | R | Prophecy |
| Mercenary Knight | Adrian Smith | Black | R | Portal |
| 44 | Merchant of Secrets | Greg Hildebrandt | Blue | C | Legions |
| 87 | Merchant of Secrets | Greg Hildebrandt | Blue | C | Commander 2017 |
| 90 | Merchant of Secrets | Greg Hildebrandt | Blue | C | Eighth Edition |
| 131 | Merchant of the Vale | David Gaillet | Red | C | Throne of Eldraine |
| 71 | Merciless Eternal | Mathias Kollros | Black | U | Hour of Devastation |
| 76 | Merciless Executioner | David Palumbo | Black | U | Fate Reforged |
| 204 | Merciless Executioner | Anton Solovianchyk | Black | U | The Lord of the Rings: Tales of Middle Earth Commander |
| 287 | Merciless Harlequin | Lixin Yin | Black | C | Assassin's Creed |
| 122 | Merciless Resolve | Chase Stone | Black | C | Shadows Over Innistrad Remastered |
| 123 | Merciless Resolve | Chase Stone | Black | C | Shadows over Innistrad |
| 231 | Mercy Killing | Dave Kendall | White/Green | U | Shadowmoor |
| 65 | Merfolk Cave-Diver | Fesbra | Blue | U | The Lost Caverns of Ixalan |
| 60 | Merfolk Coralsmith | Evyn Fong | Blue | C | Wilds of Eldraine |
| Merfolk Seer | Steve Luke | Blue | C | Mirage |
| 10 | Merfolk Sovereign | Slawomir Maniak | Blue | R | Explorers of Ixalan |
| 11 | Merfolk Sovereign | Jesper Ejsing | Blue | R | Duel Decks: Merfolk vs. Goblins |
| 62 | Merfolk Sovereign | Jesper Ejsing | Blue | R | Magic 2010 |
| 65 | Merfolk Sovereign | Jesper Ejsing | Blue | R | Magic 2011 |
| 164 | Merfolk Sovereign | Marta Nael | Blue | R | The Lost Caverns of Ixalan Commander |
| 321 | Merfolk Sovereign | Jesper Ejsing | Blue | R | Jumpstart 2022 |
| 56 | Merfolk Thaumaturgist | Steve Prescott | Blue | C | Planar Chaos |
| 9 | Merfolk Wayfinder | Christopher Moeller | Blue | U | Duel Decks: Jace vs. Vraska |
| 12 | Merfolk Wayfinder | Christopher Moeller | Blue | U | Duel Decks: Merfolk vs. Goblins |
| 56 | Merfolk Wayfinder | Christopher Moeller | Blue | U | Zendikar |
| 206 | Meria, Scholar of Antiquity | Aurore Folny | Red/Green | R | Dominaria United |
| 305 | Meria, Scholar of Antiquity | Carly Mazur | Red/Green | R | Dominaria United |
| 346 | Meria, Scholar of Antiquity | Carly Mazur | Red/Green | R | Dominaria United |
| Merieke Ri Berit | Heather Hudson | White/Blue/Black | R | Ice Age |
| 95 | Merieke Ri Berit | Heather Hudson | White/Blue/Black | S | Time Spiral "Timeshifted" |
| 6 | Merrow Reejerey | Greg Staples | Blue | U | Historic Anthology 2 |
| 13 | Merrow Reejerey | Greg Staples | Blue | U | Duel Decks: Merfolk vs. Goblins |
| 61 | Merrow Reejerey | γΊγγγ
/PENGUU | Blue | U | Jumpstart 2022 |
| 74 | Merrow Reejerey | Greg Staples | Blue | U | Lorwyn |
| 165 | Merrow Reejerey | Greg Staples | Blue | U | The Lost Caverns of Ixalan Commander |
| 140 | Merry Bards | Iris Compiet | Red | C | Wilds of Eldraine |
| 61 | Merry, Warden of Isengard | Viko Menezes | White/Green | R | The Lord of the Rings: Tales of Middle Earth Commander |
| 143 | Merry, Warden of Isengard | Viko Menezes | White/Green | R | The Lord of the Rings: Tales of Middle Earth Commander |
| 468 | Merry, Warden of Isengard | Viko Menezes | White/Green | R | The Lord of the Rings: Tales of Middle Earth Commander |
| 26 | Mesa Cavalier | David Palumbo | White | C | Dominaria United |
| 14 | Mesa Enchantress | Randy Gallegos | White | U | Dominaria Remastered |
| 19 | Mesa Enchantress | Randy Gallegos | White | U | Eternal Masters |
| 20 | Mesa Enchantress | Randy Gallegos | White | R | Magic 2010 |
| 25 | Mesa Enchantress | Randy Gallegos | White | R | Magic 2012 |
| 26 | Mesa Enchantress | Randy Gallegos | White | R | Planar Chaos |
| 75 | Mesa Enchantress | Randy Gallegos | White | R | Commander 2015 |
| 267 | Mesa Enchantress | Randy Gallegos | White | U | Dominaria Remastered |
| 828 | Mesa Enchantress | Randy Gallegos | White | R | Commander Masters |
| 49 | Mesmeric Glare | Irina Nordsol | Blue | U | Throne of Eldraine |
| 96 | Mesmeric Glare | Irina Nordsol | Blue | U | Wilds of Eldraine Commander |
| Mesmeric Trance | Dan Frazier | Blue | R | Ice Age |
| 55 | Mesmeric Trance | Dan Frazier | Blue | R | Masters Edition II |
| 62 | Mesmerizing Dose | Konstantin Porubov | Blue | C | Phyrexia: All Will Be One |
| 8 | Metal Fatigue | Arnie Swekel | White | C | Darksteel |
| 71 | Metallic Mastery | Erica Yang | Red | U | Mirrodin Besieged |
| 39 | Metallic Rebuke | Eric Deschamps | Blue | C | Aether Revolt |
| 56 | Metallic Rebuke | Eric Deschamps | Blue | C | Kaladesh Remastered |
| 59 | Metallic Rebuke | Eric Deschamps | Blue | C | Double Masters |
| 135 | Metalworker | Hazeltine | | R | Urza's Destiny |
| 38 | Metathran Elite | Jim Nelson | Blue | U | Urza's Destiny |
| 62 | Metathran Transport | Glen Angus | Blue | U | Invasion |
| 28 | Meteor Blast | Mike Sass | Red | U | Commander 2015 |
| 114 | Meteor Blast | Mike Sass | Red | U | Commander Anthology 2018 |
| 155 | Meteor Swarm | Olivier Bernard | Red | R | Adventures in the Forgotten Realms |
| 380 | Meteor Swarm | Olivier Bernard | Red | R | Adventures in the Forgotten Realms |
| 4 | Metropolis Reformer | Ryan Pancoast | White | R | March of the Machine: The Aftermath |
| 54 | Metropolis Reformer | Samy Halim | White | R | March of the Machine: The Aftermath |
| 104 | Metropolis Reformer | Ryan Pancoast | White | R | March of the Machine: The Aftermath |
| 152 | Metropolis Reformer | Ryan Pancoast | White | R | March of the Machine: The Aftermath |
| 189 | Metropolis Reformer | Samy Halim | White | R | March of the Machine: The Aftermath |
| 87 | Midnight Assassin | Christina Davis | Black | C | Streets of New Capenna |
| 54 | Midnight Clock | Alexander Forssberg | Blue | R | Throne of Eldraine |
| 99 | Midnight Clock | Alexander Forssberg | Blue | R | Wilds of Eldraine Commander |
| 100 | Midnight Clock | Alexander Forssberg | Blue | R | Outlaws of Thunder Junction Commander |
| 108 | Midnight Clock | Alexander Forssberg | Blue | R | Innistrad: Crimson Vow Commander |
| 189 | Midnight Clock | Alexander Forssberg | Blue | R | Modern Horizons 3 Commander |
| 226 | Midnight Clock | Alexander Forssberg | Blue | R | Streets of New Capenna Commander |
| 727 | Midnight Clock | Alexander Forssberg | Blue | R | Commander Legends: Battle for Baldur's Gate |
| 14 | Midnight Guard | Jason A. Engle | White | C | Dark Ascension |
| 20 | Midnight Guard | Jason A. Engle | White | C | Magic 2015 Core Set |
| 99 | Midnight Guard | Jason A. Engle | White | C | Battlebond |
| 216 | Midnight Guard | Jason A. Engle | White | C | Jumpstart 2022 |
| 22 | Midnight Haunting | Matt Stewart | White | U | Innistrad |
| 80 | Midnight Haunting | Matt Stewart | White | U | Commander 2014 |
| 82 | Midnight Haunting | Matt Stewart | White | U | Phyrexia: All Will Be One Commander |