| Mondo Gecko // Mondo GeckoTeenage Mutant Ninja Turtles Art Series · 26 | Teenage Mutant Ninja Turtles Art Series | 26 | — | — |
| Mondrak, Glory DominusPhyrexia: All Will Be One · 23 | Phyrexia: All Will Be One | 23 | Mythic Rare | €34.88 |
| Mondrak, Glory DominusPhyrexia: All Will Be One · 299 | Phyrexia: All Will Be One | 299 | Mythic Rare | €35.17 |
| Mondrak, Glory DominusPhyrexia: All Will Be One · 346 | Phyrexia: All Will Be One | 346 | Mythic Rare | $108.16 |
| Mondrak, Glory DominusPhyrexia: All Will Be One · 424 | Phyrexia: All Will Be One | 424 | Mythic Rare | €67.89 |
| Mondrak, Glory DominusPhyrexia: All Will Be One Promos · 23p | Phyrexia: All Will Be One Promos | 23p | Mythic Rare | €35.35 |
| Mondrak, Glory DominusPhyrexia: All Will Be One Promos · 23s | Phyrexia: All Will Be One Promos | 23s | Mythic Rare | €40.82 |
| Mondrak, Glory Dominus // Mondrak, Glory DominusPhyrexia: All Will Be One Art Series · 5 | Phyrexia: All Will Be One Art Series | 5 | — | — |
| Mondronen Shaman // Tovolar's MagehunterDark Ascension · 98 | Dark Ascension | 98 | Rare | €0.56 |
| Mondronen Shaman // Tovolar's MagehunterDark Ascension Promos · 98★ | Dark Ascension Promos | 98★ | Rare | €0.37 |
| Mondronen Shaman // Tovolar's MagehunterMagic Online Promos · 43507 | Magic Online Promos | 43507 | Rare | — |
| Monet, Sensei of the SewersUnknown Event · RZ06g | Unknown Event | RZ06g | Rare | $174.00 |
| Mongoose LizardAvatar: The Last Airbender · 148 | Avatar: The Last Airbender | 148 | Common | €0.05 |
| Mongrel PackThe List Tokens · TMP-237 | The List Tokens | TMP-237 | Rare | €0.56 |
| Mongrel PackTempest · 237 | Tempest | 237 | Rare | €0.63 |
| Monica Rambeau // Photon, Living LightMarvel Super Heroes · 23 | Marvel Super Heroes | 23 | Mythic Rare | €1.37 |
| Monica Rambeau // Photon, Living LightMarvel Super Heroes · 345 | Marvel Super Heroes | 345 | Mythic Rare | €6.75 |
| Monica Rambeau // Photon, Living LightMarvel Super Heroes · 356 | Marvel Super Heroes | 356 | Mythic Rare | €5.56 |
| Moniker MageUnhinged · 39 | Unhinged | 39 | Common | €0.05 |
| Monitor MonitorUnfinity · 52 | Unfinity | 52 | Uncommon | $0.11 |
| Monitor MonitorUnfinity · 338 | Unfinity | 338 | Uncommon | €2.65 |
| MonkLeague Tokens 2015 · 1 | League Tokens 2015 | 1 | — | €47.45 |
| MonkMOM Japanese Promo Tokens · 1 | MOM Japanese Promo Tokens | 1 | — | €24.99 |
| MonkDouble Masters 2022 Tokens · 6 | Double Masters 2022 Tokens | 6 | — | €0.72 |
| MonkDominaria United Tokens · 14 | Dominaria United Tokens | 14 | — | €0.16 |
| MonkFate Reforged Tokens · 1 | Fate Reforged Tokens | 1 | — | €0.39 |
| MonkMarch of the Machine Tokens · 1 | March of the Machine Tokens | 1 | — | €0.51 |
| MonkTarkir: Dragonstorm Tokens · 3 | Tarkir: Dragonstorm Tokens | 3 | — | — |
| MonkAvatar: The Last Airbender Tokens · 10 | Avatar: The Last Airbender Tokens | 10 | — | — |
| Monk ClassAdventures in the Forgotten Realms · 228 | Adventures in the Forgotten Realms | 228 | Rare | €0.37 |
| Monk ClassAdventures in the Forgotten Realms Promos · 228a | Adventures in the Forgotten Realms Promos | 228a | Rare | €1.33 |
| Monk ClassAdventures in the Forgotten Realms Promos · 228p | Adventures in the Forgotten Realms Promos | 228p | Rare | €0.62 |
| Monk ClassAdventures in the Forgotten Realms Promos · 228s | Adventures in the Forgotten Realms Promos | 228s | Rare | €1.03 |
| Monkey-Unstable · 115 | Unstable | 115 | Uncommon | €0.09 |
| Monkey CageJumpstart 2022 · 787 | Jumpstart 2022 | 787 | Rare | €1.37 |
| Monkey CageMercadian Masques · 307 | Mercadian Masques | 307 | Rare | €2.12 |
| Monkey Monkey MonkeyUnhinged · 104 | Unhinged | 104 | Common | €0.08 |
| Monkey Monkey MonkeyUnhinged · 104★ | Unhinged | 104★ | Common | €0.15 |
| Monk GyatsoAvatar: The Last Airbender Eternal · 81 | Avatar: The Last Airbender Eternal | 81 | Rare | €6.39 |
| Monk GyatsoAvatar: The Last Airbender Eternal · 173 | Avatar: The Last Airbender Eternal | 173 | Rare | €6.22 |
| Monk IdealistCommander 2015 · 76 | Commander 2015 | 76 | Uncommon | €0.12 |
| Monk IdealistEternal Masters · 21 | Eternal Masters | 21 | Common | €0.07 |
| Monk IdealistUrza's Saga · 20 | Urza's Saga | 20 | Uncommon | $0.27 |
| Monk of the Open HandAdventures in the Forgotten Realms · 25 | Adventures in the Forgotten Realms | 25 | Uncommon | €0.09 |
| Monk of the Open HandAlchemy Horizons: Baldur's Gate · 96 | Alchemy Horizons: Baldur's Gate | 96 | Uncommon | — |
| Monk RealistCommander 2011 · 20 | Commander 2011 | 20 | Common | €0.07 |
| Monk RealistUrza's Saga · 21 | Urza's Saga | 21 | Common | $0.22 |
| Monk's FistFinal Fantasy · 265 | Final Fantasy | 265 | Common | €0.04 |
| Monoist Circuit-FeederEdge of Eternities · 110 | Edge of Eternities | 110 | Uncommon | €0.06 |
| Monoist GravlinerAlchemy: Edge of Eternities · 11 | Alchemy: Edge of Eternities | 11 | Rare | — |