| Multiform WonderKaladesh Promos · 223s | Kaladesh Promos | 223s | Rare | €0.46 |
| Multi-HeadedUnstable · 117 | Unstable | 117 | Common | €0.02 |
| Multi-HeadedJumpstart 2022 Front Cards · 43 | Jumpstart 2022 Front Cards | 43 | — | — |
| Multiple ChoiceJumpstart 2022 · 325 | Jumpstart 2022 | 325 | Rare | $0.19 |
| Multiple ChoiceStrixhaven: School of Mages Promos · 48p | Strixhaven: School of Mages Promos | 48p | Rare | $0.30 |
| Multiple ChoiceStrixhaven: School of Mages Promos · 48s | Strixhaven: School of Mages Promos | 48s | Rare | $0.48 |
| Multiple ChoiceStrixhaven: School of Mages · 48 | Strixhaven: School of Mages | 48 | Rare | €0.19 |
| Multiple ChoiceStrixhaven: School of Mages · 298 | Strixhaven: School of Mages | 298 | Rare | €0.41 |
| Multiple ChoiceMagic Online Promos · 90020 | Magic Online Promos | 90020 | Rare | — |
| Multiply by ZeroReality Fracture · 58 | Reality Fracture | 58 | Uncommon | €0.24 |
| Multiversal High CouncilBlack Lotus Unknown Planechase · PLA017 | Black Lotus Unknown Planechase | PLA017 | Common | $19.99 |
| Multiversal IncursionMarvel Super Heroes · 68 | Marvel Super Heroes | 68 | Mythic Rare | $1.04 |
| Multiversal IncursionMarvel Super Heroes · 300 | Marvel Super Heroes | 300 | Mythic Rare | €1.63 |
| Multiversal PassageMarvel's Spider-Man Promos · 180s | Marvel's Spider-Man Promos | 180s | Rare | €13.25 |
| Multiversal PassageMarvel's Spider-Man · 180 | Marvel's Spider-Man | 180 | Rare | $6.43 |
| Multiversal PassageMarvel's Spider-Man · 206 | Marvel's Spider-Man | 206 | Rare | $6.63 |
| Multiversal PassageThrough the Omenpaths · 181 | Through the Omenpaths | 181 | Rare | — |
| Multiversal RecruitmentMarvel Super Heroes Commander · 629 | Marvel Super Heroes Commander | 629 | Uncommon | $7.50 |
| Mummy ParamountHour of Devastation · 16 | Hour of Devastation | 16 | Common | €0.04 |
| Munda, Ambush LeaderBattle for Zendikar · 215 | Battle for Zendikar | 215 | Rare | €0.11 |
| Munda, Ambush LeaderBattle for Zendikar Promos · 215s | Battle for Zendikar Promos | 215s | Rare | €0.29 |
| Munda's VanguardOath of the Gatewatch · 29 | Oath of the Gatewatch | 29 | Rare | €0.14 |
| Munda's VanguardOath of the Gatewatch Promos · 29 | Oath of the Gatewatch Promos | 29 | Rare | $0.31 |
| Munda's VanguardOath of the Gatewatch Promos · 29s | Oath of the Gatewatch Promos | 29s | Rare | €0.02 |
| Munda's VanguardMagic Online Promos · 59659 | Magic Online Promos | 59659 | Rare | — |
| MundunguVisions · 132 | Visions | 132 | Uncommon | €0.24 |
| Mungha WurmProphecy · 119 | Prophecy | 119 | Rare | $0.41 |
| MunitionsEdge of Eternities Tokens · 9 | Edge of Eternities Tokens | 9 | — | — |
| Munitions EnthusiastWizards Play Network 2026 · 18 | Wizards Play Network 2026 | 18 | Rare | — |
| Munitions EnthusiastStar Trek · 158 | Star Trek | 158 | Uncommon | €0.14 |
| Munitions ExpertModern Horizons 2 Timeshifts · 16 | Modern Horizons 2 Timeshifts | 16 | Uncommon | €0.21 |
| Munitions ExpertModern Horizons · 209 | Modern Horizons | 209 | Uncommon | €0.12 |
| Munitions ExpertJumpstart: Historic Horizons · 705 | Jumpstart: Historic Horizons | 705 | Uncommon | — |
| Muraganda EldraziMystery Booster 2 Tokens · 519 | Mystery Booster 2 Tokens | 519 | Rare | €0.18 |
| Muraganda PetroglyphsFuture Sight · 146 | Future Sight | 146 | Rare | €0.49 |
| Muraganda PetroglyphsThe List Tokens · FUT-146 | The List Tokens | FUT-146 | Rare | €0.29 |
| Muraganda PetroglyphsTime Spiral Remastered · 220 | Time Spiral Remastered | 220 | Rare | €0.30 |
| Muraganda PetroglyphsAlchemy: Aetherdrift · 31 | Alchemy: Aetherdrift | 31 | Rare | — |
| Muraganda RacewayAetherdrift · 257 | Aetherdrift | 257 | Rare | $0.64 |
| Muraganda RacewayAetherdrift · 396 | Aetherdrift | 396 | Rare | €0.69 |
| Muraganda RacewayAetherdrift · 426 | Aetherdrift | 426 | Rare | €0.60 |
| Muraganda RacewayAetherdrift · 502 | Aetherdrift | 502 | Rare | €3.60 |
| Muraganda RacewayAetherdrift Promos · 257p | Aetherdrift Promos | 257p | Rare | €0.33 |
| Muraganda RacewayAetherdrift Promos · 257s | Aetherdrift Promos | 257s | Rare | €1.71 |
| MurasaPlanechase Planes · 25 | Planechase Planes | 25 | Common | €0.99 |
| MurasaPlanechase Anthology Planes · 53 | Planechase Anthology Planes | 53 | Common | €0.29 |
| Murasa BehemothModern Horizons · 172 | Modern Horizons | 172 | Common | €0.06 |
| Murasa BehemothJumpstart: Historic Horizons · 606 | Jumpstart: Historic Horizons | 606 | Common | — |
| Murasa BruteZendikar Rising · 195 | Zendikar Rising | 195 | Common | $0.02 |
| Murasa PyromancerZendikar · 139 | Zendikar | 139 | Uncommon | $0.20 |