| Midnight ReaperGuilds of Ravnica Promos · 77p | Guilds of Ravnica Promos | 77p | Rare | €0.51 |
| Midnight ReaperRavnica Remastered · 86 | Ravnica Remastered | 86 | Rare | $0.38 |
| Midnight ReaperStarter Commander Decks · 91 | Starter Commander Decks | 91 | Rare | $0.28 |
| Midnight ReaperSecret Lair Drop Tokens · 1171 | Secret Lair Drop Tokens | 1171 | Rare | €20.42 |
| Midnight ReaperFoundations Commander · 114 | Foundations Commander | 114 | Rare | €0.22 |
| Midnight RitualTenth Edition · 158 | Tenth Edition | 158 | Rare | $0.24 |
| Midnight RitualMercadian Masques · 146 | Mercadian Masques | 146 | Rare | $0.33 |
| Midsummer RevelUrza's Saga · 268 | Urza's Saga | 268 | Rare | €0.55 |
| Mightform HarmonizerEdge of Eternities · 200 | Edge of Eternities | 200 | Rare | €2.60 |
| Mightform HarmonizerEdge of Eternities · 297 | Edge of Eternities | 297 | Rare | €4.65 |
| Mightform HarmonizerEdge of Eternities Promos · 200p | Edge of Eternities Promos | 200p | Rare | €2.34 |
| Mightform HarmonizerEdge of Eternities Promos · 200s | Edge of Eternities Promos | 200s | Rare | €3.13 |
| Might of OaksTenth Edition · 277 | Tenth Edition | 277 | Rare | €0.46 |
| Might of OaksSeventh Edition · 257 | Seventh Edition | 257 | Rare | €0.47 |
| Might of OaksSeventh Edition · 257★ | Seventh Edition | 257★ | Rare | $0.66 |
| Might of OaksEighth Edition · 265 | Eighth Edition | 265 | Rare | $0.28 |
| Might of OaksEighth Edition · 265★ | Eighth Edition | 265★ | Rare | $0.28 |
| Might of OaksNinth Edition · 255 | Ninth Edition | 255 | Rare | €0.27 |
| Might of OaksNinth Edition · 255★ | Ninth Edition | 255★ | Rare | $0.32 |
| Might of OaksMagic 2010 · 192 | Magic 2010 | 192 | Rare | €0.22 |
| Might of OaksUrza's Legacy · 106 | Urza's Legacy | 106 | Rare | €1.59 |
| Might SliverSecret Lair Drop Tokens · 652 | Secret Lair Drop Tokens | 652 | Rare | €4.66 |
| Mighty Servant of Leuk-oCommander Legends: Battle for Baldur's Gate · 324 | Commander Legends: Battle for Baldur's Gate | 324 | Rare | $0.36 |
| Mighty Servant of Leuk-oCommander Legends: Battle for Baldur's Gate · 598 | Commander Legends: Battle for Baldur's Gate | 598 | Rare | €0.47 |
| Mighty Servant of Leuk-oBattle for Baldur's Gate Promos · 324s | Battle for Baldur's Gate Promos | 324s | Rare | €0.53 |
| Migloz, Maze CrusherPhyrexia: All Will Be One · 210 | Phyrexia: All Will Be One | 210 | Rare | €0.18 |
| Migloz, Maze CrusherPhyrexia: All Will Be One · 321 | Phyrexia: All Will Be One | 321 | Rare | €0.25 |
| Migloz, Maze CrusherPhyrexia: All Will Be One · 470 | Phyrexia: All Will Be One | 470 | Rare | €0.89 |
| Migloz, Maze CrusherPhyrexia: All Will Be One Promos · 210p | Phyrexia: All Will Be One Promos | 210p | Rare | $0.18 |
| Migloz, Maze CrusherPhyrexia: All Will Be One Promos · 210s | Phyrexia: All Will Be One Promos | 210s | Rare | $0.49 |
| Miirym, Sentinel WyrmCommander Legends: Battle for Baldur's Gate · 284 | Commander Legends: Battle for Baldur's Gate | 284 | Rare | $4.34 |
| Miirym, Sentinel WyrmCommander Legends: Battle for Baldur's Gate · 431 | Commander Legends: Battle for Baldur's Gate | 431 | Rare | $4.67 |
| Miirym, Sentinel WyrmCommander Legends: Battle for Baldur's Gate · 542 | Commander Legends: Battle for Baldur's Gate | 542 | Rare | $3.36 |
| Miirym, Sentinel WyrmBattle for Baldur's Gate Promos · 284s | Battle for Baldur's Gate Promos | 284s | Rare | €11.91 |
| Miirym, Sentinel WyrmSecret Lair Drop Tokens · 2500 | Secret Lair Drop Tokens | 2500 | Rare | €26.80 |
| Miirym, Sentinel WyrmAlchemy Horizons: Baldur's Gate · 242 | Alchemy Horizons: Baldur's Gate | 242 | Rare | — |
| Mijae DjinnRevised Edition · 166 | Revised Edition | 166 | Rare | $1.06 |
| Mijae DjinnArabian Nights · 42 | Arabian Nights | 42 | Rare | €37.25 |
| Mijae DjinnForeign Black Border · 166 | Foreign Black Border | 166 | Rare | €2.67 |
| Mijae DjinnSummer Magic / Edgar · 166 | Summer Magic / Edgar | 166 | Rare | €20.00 |
| Mijae DjinnMasters Edition IV · 127 | Masters Edition IV | 127 | Rare | — |
| Mijo, the BullUnknown Event · RR03b | Unknown Event | RR03b | Rare | — |
| Mikaeus, the LunarchDouble Masters 2022 · 18 | Double Masters 2022 | 18 | Rare | €0.39 |
| Mikaeus, the LunarchDouble Masters 2022 · 419 | Double Masters 2022 | 419 | Rare | €3.25 |
| Mikey & Don, Party PlannersTeenage Mutant Ninja Turtles · 157 | Teenage Mutant Ninja Turtles | 157 | Rare | €0.25 |
| Mikey & Don, Party PlannersTeenage Mutant Ninja Turtles · 246 | Teenage Mutant Ninja Turtles | 246 | Rare | €0.37 |
| Mikey & Leo, Chaos & OrderTeenage Mutant Ninja Turtles · 158 | Teenage Mutant Ninja Turtles | 158 | Rare | $1.30 |
| Mikey & Leo, Chaos & OrderTeenage Mutant Ninja Turtles · 200 | Teenage Mutant Ninja Turtles | 200 | Rare | €4.57 |
| Mikey & Leo, Chaos & OrderTeenage Mutant Ninja Turtles · 247 | Teenage Mutant Ninja Turtles | 247 | Rare | $3.61 |
| Mikey & Mona, Mutant SittersTeenage Mutant Ninja Turtles Eternal · 125 | Teenage Mutant Ninja Turtles Eternal | 125 | Rare | €0.17 |