| Martyred RusalkaGuildpact · 12 | Guildpact | 12 | Uncommon | €0.05 |
| Martyr's CauseThe List Tokens · ULG-13 | The List Tokens | ULG-13 | Uncommon | €1.48 |
| Martyr's CauseUrza's Legacy · 13 | Urza's Legacy | 13 | Uncommon | €1.20 |
| Martyrs of KorlisAntiquities · 6 | Antiquities | 6 | Uncommon | €2.69 |
| Martyrs of KorlisMasters Edition IV · 20 | Masters Edition IV | 20 | Uncommon | — |
| Martyrs' TombApocalypse · 110 | Apocalypse | 110 | Uncommon | €0.08 |
| Marvel Boy, Noh-VarrMarvel Super Heroes Commander · 743 | Marvel Super Heroes Commander | 743 | Uncommon | €0.21 |
| Marwyn, the ClearcutterReality Fracture · 249 | Reality Fracture | 249 | Uncommon | €0.06 |
| Marwyn, the ClearcutterReality Fracture · 310 | Reality Fracture | 310 | Uncommon | €0.07 |
| Marwyn, the PreserverReality Fracture · 263 | Reality Fracture | 263 | Uncommon | €0.15 |
| Marwyn, the PreserverReality Fracture · 315 | Reality Fracture | 315 | Uncommon | €0.57 |
| Mascot InterceptionStrixhaven: School of Mages · 110 | Strixhaven: School of Mages | 110 | Uncommon | $0.03 |
| Masked AdmirersModern Masters · 154 | Modern Masters | 154 | Uncommon | $0.11 |
| Masked AdmirersThe List Tokens · MMA-154 | The List Tokens | MMA-154 | Uncommon | €0.05 |
| Mask of AvacynCommander Legends · 466 | Commander Legends | 466 | Uncommon | €0.89 |
| Mask of AvacynInnistrad · 229 | Innistrad | 229 | Uncommon | €0.49 |
| Mask of ImmolationCore Set 2020 · 151 | Core Set 2020 | 151 | Uncommon | €0.10 |
| Mask of MemoryWarhammer 40,000 Commander · 243 | Warhammer 40,000 Commander | 243 | Uncommon | €0.47 |
| Mask of MemoryWarhammer 40,000 Commander · 243★ | Warhammer 40,000 Commander | 243★ | Uncommon | $4.60 |
| Mask of MemoryCommander 2014 · 249 | Commander 2014 | 249 | Uncommon | €0.27 |
| Mask of MemoryCommander Legends · 324 | Commander Legends | 324 | Uncommon | €0.40 |
| Mask of MemoryFinal Fantasy Commander · 350 | Final Fantasy Commander | 350 | Uncommon | $0.34 |
| Mask of MemoryPlanechase · 119 | Planechase | 119 | Uncommon | $0.53 |
| Mask of MemoryMirrodin · 203 | Mirrodin | 203 | Uncommon | €0.35 |
| Mask of MemoryPhyrexia: All Will Be One Commander · 136 | Phyrexia: All Will Be One Commander | 136 | Uncommon | €0.35 |
| Mask of MemoryThe List Tokens · C14-249 | The List Tokens | C14-249 | Uncommon | €0.35 |
| Mask of RiddlesAlara Reborn · 25 | Alara Reborn | 25 | Uncommon | €0.36 |
| Mask of RiddlesNew Capenna Commander · 347 | New Capenna Commander | 347 | Uncommon | €0.10 |
| Mask of the JadecrafterThe Brothers' War · 201 | The Brothers' War | 201 | Uncommon | €0.06 |
| Mask of the MimicStronghold · 37 | Stronghold | 37 | Uncommon | $0.40 |
| MassacreNemesis · 58 | Nemesis | 58 | Uncommon | €1.03 |
| MassacreThe List Tokens · NEM-58 | The List Tokens | NEM-58 | Uncommon | $0.40 |
| MassacreMagic Online Theme Decks · A44 | Magic Online Theme Decks | A44 | Uncommon | — |
| Massacre Girl, Most WantedReality Fracture · 234 | Reality Fracture | 234 | Uncommon | €0.07 |
| Mass AppealAvacyn Restored · 66 | Avacyn Restored | 66 | Uncommon | $0.51 |
| Mass ProductionThe Brothers' War · 15 | The Brothers' War | 15 | Uncommon | €0.04 |
| Master of ArmsThe List Tokens · WTH-20 | The List Tokens | WTH-20 | Uncommon | $0.06 |
| Master of ArmsWeatherlight · 20 | Weatherlight | 20 | Uncommon | €0.15 |
| Master of the VeilLegions · 43 | Legions | 43 | Uncommon | €0.14 |
| Master PakkuAvatar: The Last Airbender · 63 | Avatar: The Last Airbender | 63 | Uncommon | €0.05 |
| Master PiandaoAvatar: The Last Airbender · 28 | Avatar: The Last Airbender | 28 | Uncommon | €0.08 |
| Master's CouncillorsThe Hobbit · 47 | The Hobbit | 47 | Uncommon | €0.05 |
| Master's Guide-Mural // Master's ManufactoryThe Lost Caverns of Ixalan · 233 | The Lost Caverns of Ixalan | 233 | Uncommon | €0.07 |
| Master SplicerDouble Masters · 22 | Double Masters | 22 | Uncommon | €0.16 |
| Master SplicerCore Set 2020 · 29 | Core Set 2020 | 29 | Uncommon | €0.08 |
| Master SplicerModern Masters 2017 · 15 | Modern Masters 2017 | 15 | Uncommon | €0.12 |
| Master SplicerMarch of the Machine Commander · 194 | March of the Machine Commander | 194 | Uncommon | €0.18 |
| Master SplicerNew Phyrexia · 16 | New Phyrexia | 16 | Uncommon | $0.23 |
| Master SplicerThe List Tokens · NPH-16 | The List Tokens | NPH-16 | Uncommon | $0.10 |
| Master SymmetristStrixhaven: School of Mages · 138 | Strixhaven: School of Mages | 138 | Uncommon | €0.04 |