| Maximum CarnageMarvel's Spider-Man · 225 | Marvel's Spider-Man | 225 | Rare | €0.85 |
| Maximum CarnageThrough the Omenpaths · 87 | Through the Omenpaths | 87 | Rare | — |
| Mayael's AriaDouble Masters 2022 · 253 | Double Masters 2022 | 253 | Rare | €0.84 |
| Mayael's AriaDouble Masters 2022 · 524 | Double Masters 2022 | 524 | Rare | €2.87 |
| Mayael's AriaAlara Reborn · 121 | Alara Reborn | 121 | Rare | €0.93 |
| Mayael's AriaSecret Lair Drop Tokens · 1848 | Secret Lair Drop Tokens | 1848 | Rare | €0.91 |
| Mayael the Anima AvatarMagic Online Avatars · 86 | Magic Online Avatars | 86 | Rare | — |
| Mayhem DevilSecret Lair Promo · 28 | Secret Lair Promo | 28 | Rare | €0.84 |
| Mayhem DevilSecret Lair Drop Tokens · 1715 | Secret Lair Drop Tokens | 1715 | Rare | €13.40 |
| Mayor of Avabruck // Howlpack AlphaInnistrad Remastered · 207 | Innistrad Remastered | 207 | Rare | €0.48 |
| Mayor of Avabruck // Howlpack AlphaInnistrad · 193 | Innistrad | 193 | Rare | $0.56 |
| Mayor of Avabruck // Howlpack AlphaInnistrad Promos · 193★ | Innistrad Promos | 193★ | Rare | €0.52 |
| Mayor of Avabruck // Howlpack AlphaShadows of the Past · 53 | Shadows of the Past | 53 | Rare | — |
| Mayor of Avabruck // Howlpack AlphaMagic Online Promos · 42866 | Magic Online Promos | 42866 | Rare | — |
| Mazemind TomeThe Brothers' War Retro Artifacts · 30 | The Brothers' War Retro Artifacts | 30 | Rare | $0.33 |
| Mazemind TomeThe Brothers' War Retro Artifacts · 93 | The Brothers' War Retro Artifacts | 93 | Rare | $0.32 |
| Mazemind TomeThe Brothers' War Retro Artifacts · 93z | The Brothers' War Retro Artifacts | 93z | Rare | €149.94 |
| Mazemind TomeCommander Masters · 959 | Commander Masters | 959 | Rare | €0.15 |
| Mazemind TomeFoundations · 676 | Foundations | 676 | Rare | €0.16 |
| Mazemind TomeCore Set 2021 · 232 | Core Set 2021 | 232 | Rare | €0.21 |
| Mazemind TomeCore Set 2021 · 383 | Core Set 2021 | 383 | Rare | €0.63 |
| Mazemind TomeCore Set 2021 Promos · 232p | Core Set 2021 Promos | 232p | Rare | €0.23 |
| Mazemind TomeCore Set 2021 Promos · 232s | Core Set 2021 Promos | 232s | Rare | $0.74 |
| Mazemind TomeThe List Tokens · M21-232 | The List Tokens | M21-232 | Rare | $0.31 |
| Mazemind TomeMagic Online Promos · 82010 | Magic Online Promos | 82010 | Rare | — |
| Mazemind TomeFoundations Commander · 268 | Foundations Commander | 268 | Rare | €0.22 |
| Maze of IthDouble Masters · 322 | Double Masters | 322 | Rare | €8.43 |
| Maze of IthDominaria Remastered · 250 | Dominaria Remastered | 250 | Rare | €8.07 |
| Maze of IthDominaria Remastered · 398 | Dominaria Remastered | 398 | Rare | €8.65 |
| Maze of IthDominaria Remastered · 456 | Dominaria Remastered | 456 | Rare | €9.15 |
| Maze of IthEternal Masters · 241 | Eternal Masters | 241 | Rare | €7.74 |
| Maze of IthJudge Gift Cards 2009 · 2 | Judge Gift Cards 2009 | 2 | Rare | €58.33 |
| Maze of IthMasters Edition IV · 246 | Masters Edition IV | 246 | Rare | — |
| Maze of IthMagic Online Promos · 36170 | Magic Online Promos | 36170 | Rare | — |
| Mazirek, Kraul Death PriestDouble Masters · 209 | Double Masters | 209 | Rare | €0.92 |
| Mazirek, Kraul Death PriestEdge of Eternities Commander · 122 | Edge of Eternities Commander | 122 | Rare | $0.32 |
| Mazirek, Kraul Death PriestSecrets of Strixhaven Commander · 319 | Secrets of Strixhaven Commander | 319 | Rare | $0.30 |
| Mazirek, Kraul Death PriestSecret Lair Drop Tokens · 1418 | Secret Lair Drop Tokens | 1418 | Rare | €6.68 |
| Mazirek, Kraul Death PriestThe List Tokens · 2XM-209 | The List Tokens | 2XM-209 | Rare | $0.44 |
| Mazirek, Kraul Death PriestLegendary Cube Prize Pack · 112 | Legendary Cube Prize Pack | 112 | Rare | — |
| Mazzy, Truesword PaladinCommander Legends: Battle for Baldur's Gate · 283 | Commander Legends: Battle for Baldur's Gate | 283 | Rare | €0.12 |
| Mazzy, Truesword PaladinCommander Legends: Battle for Baldur's Gate · 430 | Commander Legends: Battle for Baldur's Gate | 430 | Rare | €0.12 |
| Mazzy, Truesword PaladinCommander Legends: Battle for Baldur's Gate · 541 | Commander Legends: Battle for Baldur's Gate | 541 | Rare | €0.13 |
| Mazzy, Truesword PaladinBattle for Baldur's Gate Promos · 283s | Battle for Baldur's Gate Promos | 283s | Rare | €0.30 |
| Mazzy, Truesword PaladinAlchemy Horizons: Baldur's Gate · 241 | Alchemy Horizons: Baldur's Gate | 241 | Rare | — |
| M'Baku, Jabari ChieftainMarvel Super Heroes Commander · 67 | Marvel Super Heroes Commander | 67 | Rare | €0.16 |
| M'Baku, Jabari ChieftainMarvel Super Heroes Commander · 382 | Marvel Super Heroes Commander | 382 | Rare | $0.59 |
| Meandered TowershellMystery Booster 2 Tokens · 578 | Mystery Booster 2 Tokens | 578 | Rare | $0.17 |
| Meandering TowershellKhans of Tarkir · 141 | Khans of Tarkir | 141 | Rare | €0.11 |
| Meandering TowershellSecret Lair Drop Tokens · 236 | Secret Lair Drop Tokens | 236 | Rare | €0.49 |