| Meddle | Brian Snoddy | Blue | U | Mirage |
| 92 | Meddle | Brian Snoddy | Blue | U | Onslaught |
| 118 | Meddling Kids | Christopher Moeller | White/Blue | R | Unhinged |
| 8 | Meddling Mage | Todd Lockwood | White/Blue | R | Alara Reborn |
| 17 | Meddling Mage | Todd Lockwood | White/Blue | R | Historic Anthology 2 |
| 116 | Meddling Mage | Christopher Moeller | White/Blue | R | Planeshift |
| 210 | Meddling Mage | Todd Lockwood | White/Blue | R | Double Masters |
| 355 | Meddling Mage | Jeff Simpson | White/Blue | R | Double Masters |
| 219 | Meddling Youths | Matt Forsyth | White/Red | U | Murders at Karlov Manor |
| 367 | Meddling Youths | Jack Hughes | White/Red | U | Murders at Karlov Manor |
| 133 | Medicine Bag | DiTerlizzi | | U | Exodus |
| 230 | Medicine Runner | Chippy | White/Green | C | Shadowmoor |
| Meditate | Susan Van Camp | Blue | R | Tempest |
| 60 | Meditate | Susan Van Camp | Blue | R | Tempest Remastered |
| 19 | Meditation Puzzle | Mark Winters | White | C | Magic 2015 Core Set |
| 196 | Medomai the Ageless | David Palumbo | White/Blue | M | Theros |
| 53 | Medomai's Prophecy | Seb McKinnon | Blue | U | Theros Beyond Death |
| Meekstone | Quinton Hoover | | R | Fifth Edition |
| Meekstone | Quinton Hoover | | R | Fourth Edition |
| Meekstone | Quinton Hoover | | R | Revised Edition |
| Meekstone | Quinton Hoover | | R | Unlimited Edition |
| Meekstone | Quinton Hoover | | R | Limited Edition Beta |
| Meekstone | Quinton Hoover | | R | Limited Edition Alpha |
| 40 | Meekstone | Steve Argyle | | S | Masterpiece Series: Kaladesh Inventions |
| 227 | Meekstone | David Martin | | R | Mystery Booster 2: Convention Edition |
| 298 | Meekstone | Quinton Hoover | | R | Classic Sixth Edition |
| 307 | Meekstone | David Martin | | R | Seventh Edition |
| 66 | Meeting of Minds | Milivoj Ćeran | Blue | C | March of the Machine |
| 202 | Meeting of the Five | Dominik Mayer | White/Blue/Black/Red/Green | M | Streets of New Capenna |
| 436 | Meeting of the Five | Dominik Mayer | White/Blue/Black/Red/Green | M | Streets of New Capenna |
| 185 | Megantic Sliver | Ryan Barger | Green | R | Magic 2014 Core Set |
| 901 | Megantic Sliver | Campbell White | Green | R | Commander Masters |
| 259 | Megatherium | Paolo Parente | Green | R | Mercadian Masques |
| 100 | Megatog | Pete Venters | Red | R | Mirrodin |
| 61 | Megaton's Fate | Chris Cold | Red | R | Magic The Gathering—Fallout |
| 388 | Megaton's Fate | Chris Cold | Red | R | Magic The Gathering—Fallout |
| 12 | Megatron, Destructive Force | Volta Creation | White/Black/Red | M | The Brothers' War Transformers Cards |
| 26 | Megatron, Destructive Force | Volta Creation | White/Black/Red | M | The Brothers' War Transformers Cards |
| 12 | Megatron, Tyrant | Volta Creation | White/Black/Red | M | The Brothers' War Transformers Cards |
| 26 | Megatron, Tyrant | Volta Creation | White/Black/Red | M | The Brothers' War Transformers Cards |
| 118 | Meglonoth | Steve Prescott | White/Red/Green | R | Conflux |
| 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 |
| 44 | Meishin, the Mind Cage | Thomas Gianni | Blue | R | Saviors of Kamigawa |
| 88 | Melancholy | Lars Grant-West | Black | C | Planar Chaos |
| 59 | Meldweb Curator | Pavel Kolomeyets | Blue | C | Phyrexia: All Will Be One |
| 60 | Meldweb Strider | Julian Kok Joon Wen | Blue | C | Phyrexia: All Will Be One |
| Melee | Dameon Willich | Red | U | Ice Age |
| 84 | Melek, Izzet Paragon | Jason Chan | Blue/Red | R | Dragon's Maze |
| 220 | Melek, Izzet Paragon | Jason Chan | Blue/Red | R | Ikoria Commander |
| 227 | Melek, Izzet Paragon | Jason Chan | Blue/Red | R | Commander 2015 |
| 345 | Melek, Izzet Paragon | Jason Chan | Blue/Red | U | Commander Masters |
| 430 | Melek, Reforged Researcher | Andreas Zafiratos | Blue/Red | M | Murders at Karlov Manor |
| Melesse Spirit | Gerry Grace | White | U | Mirage |
| 43 | Meletis Astronomer | Dan Scott | Blue | U | Born of the Gods |
| 54 | Meletis Charlatan | Jason A. Engle | Blue | R | Theros |
| 115 | Melira, Sylvok Outcast | Min Yum | Green | R | New Phyrexia |
| 209 | Melira, the Living Cure | Miranda Meeks | White/Green | R | Phyrexia: All Will Be One |
| 333 | Melira, the Living Cure | 荒巻美由希/Aramaki Miyuki | White/Green | R | Phyrexia: All Will Be One |
| 83 | Melira's Keepers | Eric Deschamps | Green | U | Mirrodin Besieged |
| 52 | Meloku the Clouded Mirror | Scott M. Fischer | Blue | R | Modern Masters |
| 74 | Meloku the Clouded Mirror | Scott M. Fischer | Blue | R | Champions of Kamigawa |
| 399 | Meloku the Clouded Mirror | Scott M. Fischer | Blue | R | Commander Legends |
| 97 | Melt Terrain | John Avon | Red | C | Scars of Mirrodin |
| 203 | Meltdown | Donato Giancola | Red | U | Urza's Saga |
| 282 | Meltdown | Donato Giancola | Red | U | Modern Horizons 3 |
| 418 | Meltdown | Donato Giancola | Red | U | Modern Horizons 3 |
| Melting | Randy Gallegos | Red | U | Ice Age |
| 7 | Memnarch | Carl Critchlow | | M | From the Vault: Lore |
| 112 | Memnarch | Carl Critchlow | | R | Archenemy |
| 129 | Memnarch | Carl Critchlow | | R | Darksteel |
| 174 | Memnite | Svetlin Velinov | | U | Scars of Mirrodin |
| 228 | Memnite | Svetlin Velinov | | U | Mystery Booster 2: Convention Edition |
| 242 | Memorial to Folly | Sung Choi | | U | Dominaria |
| 259 | Memorial to Folly | Sung Choi | | U | Commander 2019 |
| 288 | Memorial to Folly | Sung Choi | | U | Ikoria Commander |
| 243 | Memorial to Genius | James Paick | | U | Dominaria |
| 301 | Memorial to Genius | James Paick | | U | Commander 2021 |
| 485 | Memorial to Genius | James Paick | | U | Commander Legends |
| 815 | Memorial to Genius | James Paick | | U | Jumpstart 2022 |
| 244 | Memorial to Glory | James Paick | | U | Dominaria |
| 271 | Memorial to Glory | Kim Sokol | | U | Magic The Gathering—Fallout |
| 283 | Memorial to Glory | Games Workshop | | U | Warhammer 40,000 Commander |
| 245 | Memorial to Unity | Cliff Childs | | U | Dominaria |
| 246 | Memorial to War | Richard Wright | | U | Dominaria |
| 486 | Memorial to War | Richard Wright | | U | Commander Legends |
| 69 | Memoricide | James Ryman | Black | R | Scars of Mirrodin |
| 54 | Memory | Ryan Alexander Lee | Blue | R | Amonkhet Remastered |
| 147 | Memory | Ryan Alexander Lee | Blue | R | The Lost Caverns of Ixalan Commander |
| 211 | Memory | Ryan Alexander Lee | Blue | R | Amonkhet |
| 216 | Memory | Ryan Alexander Lee | Blue | R | Streets of New Capenna Commander |
| 27 | Memory Bank (playtest) | Pete White | Blue | C | Mystery Booster |
| 134 | Memory Crystal | Michael Sutfin | | R | Exodus |
| 62 | Memory Deluge | Lake Hurwitz | Blue | R | Innistrad: Midnight Hunt |
| 337 | Memory Deluge | Lake Hurwitz | Blue | R | Innistrad: Midnight Hunt |
| 54 | Memory Drain | PINDURSKI | Blue | C | Theros Beyond Death |
| 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 |
| 8 | Memory Jar | Donato Giancola | | M | From the Vault: Relics |
| 129 | Memory Jar | Donato Giancola | | R | Urza's Legacy |
| 276 | Memory Jar | Donato Giancola | | M | Vintage Masters |
| Memory Lapse | Mark Tedin | Blue | C | Fifth Edition |
| Memory Lapse | Rebecca Guay | Blue | C | Mirage |
| Memory Lapse | Mark Tedin | Blue | C | Homelands |
| Memory Lapse | Mark Tedin | Blue | C | Homelands |
| 16 | Memory Lapse | Kristina Collantes | Blue | R | Strixhaven Mystical Archive |
| 24 | Memory Lapse | Rebecca Guay | Blue | C | Duel Decks: Jace vs. Vraska |
| 60 | Memory Lapse | Greg Staples | Blue | C | Eternal Masters |
| 81 | Memory Lapse | Mark Tedin | Blue | C | Classic Sixth Edition |
| 88 | Memory Lapse | Tristan Elwell | Blue | C | Seventh Edition |
| 95 | Memory Leak | Karl Kopinski | Black | C | Ikoria: Lair of Behemoths |
| 108 | Memory of Toshiro | Sidharth Chaturvedi | Black | U | Kamigawa: Neon Dynasty |
| 169 | Memory Plunder | Dan Scott | Blue/Black | R | Shadowmoor |
| 178 | Memory Plunder | Dan Scott | Blue/Black | R | Commander 2017 |
| 849 | Memory Plunder | Dan Scott | Blue/Black | R | Commander Legends: Battle for Baldur's Gate |
| 170 | Memory Sluice | Wayne England | Blue/Black | C | Shadowmoor |
| 221 | Memory Test (a) | Setor Fiadzigbey | | R | Unfinity (Acorn) |
| 221 | Memory Test (b) | Setor Fiadzigbey | | R | Unfinity (Acorn) |
| 96 | Memory Theft | Micah Epstein | Black | C | Throne of Eldraine |
| 38 | Memory Vampire | Mila Pesic | Blue/Black | R | Ravnica Clue Edition |
| 13 | Memory Vessel | Diego Gisbert | Red | M | Outlaws of Thunder Junction: The Big Score |
| 43 | Memory Vessel | Nino Vecia | Red | M | Outlaws of Thunder Junction: The Big Score |
| 78 | Memory Vessel | Diego Gisbert | Red | M | Outlaws of Thunder Junction: The Big Score |
| 90 | Memory Worm | Craig J Spearing | Red | U | Doctor Who Commander |
| 66 | Memory's Journey | Slawomir Maniak | Blue | U | Innistrad |
| 59 | Menacing Ogre | Ron Spencer | Red | R | Planechase |
| 219 | Menacing Ogre | Ron Spencer | Red | R | Onslaught |
| 15 | Menagerie Curator | Jodie Muir | Green | U | Streets of New Capenna Alchemy |
| 67 | Menagerie Liberator | Mike Bierek | Green | C | Conspiracy: Take the Crown |
| 241 | Mend the Wilds | Steve Prescott | Green | U | Wilds of Eldraine |
| 15 | Mending Hands | Douglas Shuler | White | C | Betrayers of Kamigawa |
| 29 | Mending Hands | Douglas Shuler | White | C | Ninth Edition |
| 44 | Mending Touch | Karla Ortiz | Green | C | Dragon's Maze |
| 62 | Meneldor, Swift Savior | Axel Sauerwald | Blue | U | The Lord of the Rings: Tales of Middle Earth |
| 513 | Meneldor, Swift Savior | Axel Sauerwald | Blue | U | The Lord of the Rings: Tales of Middle Earth |
| 128 | Meng Huo, Barbarian King | Yang Guangmai | Green | R | Masters Edition III |
| 142 | Meng Huo, Barbarian King | Yang Guangmai | Green | R | Portal Three Kingdoms |
| 129 | Meng Huo's Horde | Yang Jun Kwon | Green | C | Masters Edition III |
| 143 | Meng Huo's Horde | s/b Lie Tiu | Green | C | Portal Three Kingdoms |
| 114 | Mental Agony | Greg Staples | Black | C | Avacyn Restored |
| 37 | Mental Discipline | Edward P. Beard, Jr. | Blue | C | Urza's Destiny |
| 51 | Mental Journey | Jim Pavelec | Blue | C | Modern Horizons 2 |
| 30 | Mental Misstep | Erica Yang | Blue | U | Mystery Booster 2: Convention Edition |
| 38 | Mental Misstep | Erica Yang | Blue | U | New Phyrexia |
| 46 | Mental Note | Bradley Williams | Blue | C | Judgment |
| 72 | Mental Vapors | Mark Winters | Black | U | Gatecrash |
| 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 |
| 578 | Mentor of the Meek | Jana Schirmer & Johannes Voss | White | R | Magic: The Gathering Foundations |
| 46 | Mentor's Guidance | Brian Valeza | Blue | U | Strixhaven: School of Mages |
| 4 | Mephidross Vampire | Samuel Araya | Black | R | Special Guests |
| 53 | Mephidross Vampire | Matthew D. Wilson | Black | R | Fifth Dawn |
| 112 | Mephitic Draught | Lauren K. Cannon | Black | C | The Lost Caverns of Ixalan |
| 47 | Mephitic Ooze | Alex Horley-Orlandelli | Black | R | Darksteel |
| 76 | Mephitic Vapors | Darek Zabrocki | Black | C | Guilds of Ravnica |
| 85 | Mephitic Vapors | Darek Zabrocki | Black | C | Ravnica Remastered |
| 60 | Mephit's Enthusiasm | Kim Sokol | Red | U | Alchemy Horizons: Baldur's Gate |
| 25 | Mer Man | Mark Behm | Blue | C | Unsanctioned |
| 39 | Mer Man | Mark Behm | Blue | C | Unstable |
| 305 | Mercadian Atlas | Dan Frazier | | R | Mercadian Masques |
| 321 | Mercadian Bazaar | Terese Nielsen | | U | Mercadian Masques |
| 306 | Mercadian Lift | Gary Ruddell | | R | Mercadian Masques |
| 205 | Mercadia's Downfall | Pete Venters | Red | U | Mercadian Masques |
| Mercenaries | Cornelius Brudi | White | R | Ice Age |
| 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 |
| 11 | Merchant of Truth | Carissa Susilo | White | R | Murders at Karlov Manor Commander |
| 322 | Merchant of Truth | Carissa Susilo | White | R | Murders at Karlov Manor Commander |
| 81 | Merchant Raiders | Deruchenko Alexander | Blue | U | Commander Legends |
| 163 | Merchant Raiders | Deruchenko Alexander | Blue | U | The Lost Caverns of Ixalan Commander |