| MeekstoneSummer Magic / Edgar · 264 | Summer Magic / Edgar | 264 | Rare | — |
| MeekstoneWorld Championship Decks 2001 Tokens · ar307sb | World Championship Decks 2001 Tokens | ar307sb | Rare | €4.38 |
| MeekstoneWorld Championship Decks 2000 Tokens · nl299sb | World Championship Decks 2000 Tokens | nl299sb | Rare | €5.33 |
| Meet and Greet "Sisay"Unfinity · 172 | Unfinity | 172 | Rare | €0.13 |
| Meet and Greet "Sisay"Unfinity · 264 | Unfinity | 264 | Rare | €0.15 |
| Meet and Greet "Sisay"Unfinity · 458 | Unfinity | 458 | Rare | $0.26 |
| Meet and Greet "Sisay"Unfinity · 515 | Unfinity | 515 | Rare | $0.24 |
| Meeting of MindsMarch of the Machine · 66 | March of the Machine | 66 | Common | $0.28 |
| Meeting of MindsThe List Tokens · MOM-66 | The List Tokens | MOM-66 | Common | €0.15 |
| Meeting of the FiveStreets of New Capenna Promos · 202p | Streets of New Capenna Promos | 202p | Mythic Rare | €0.20 |
| Meeting of the FiveStreets of New Capenna Promos · 202s | Streets of New Capenna Promos | 202s | Mythic Rare | $0.56 |
| Meeting of the FiveStreets of New Capenna · 202 | Streets of New Capenna | 202 | Mythic Rare | €0.22 |
| Meeting of the FiveStreets of New Capenna · 436 | Streets of New Capenna | 436 | Mythic Rare | $0.35 |
| Meeting of the FiveMagic Online Promos · 99757 | Magic Online Promos | 99757 | Mythic Rare | — |
| Meeting of the Five // Meeting of the FiveNew Capenna Art Series · 30 | New Capenna Art Series | 30 | — | — |
| Mega FlareFinal Fantasy Commander · 456 | Final Fantasy Commander | 456 | Rare | €0.92 |
| Mega Flare // Mega FlareFinal Fantasy Scene Box · 15 | Final Fantasy Scene Box | 15 | — | €0.30 |
| Megaflora JungleMarch of the Machine Commander · 57 | March of the Machine Commander | 57 | Common | €0.52 |
| Megantic SliverCommander Masters · 901 | Commander Masters | 901 | Rare | €0.73 |
| Megantic SliverMagic 2014 · 185 | Magic 2014 | 185 | Rare | €0.61 |
| Megantic SliverMagic 2014 Promos · 185★ | Magic 2014 Promos | 185★ | Rare | €0.37 |
| Megantic SliverSecret Lair Drop Tokens · 651 | Secret Lair Drop Tokens | 651 | Rare | €1.37 |
| Megantic SliverMagic Online Promos · 49830 | Magic Online Promos | 49830 | Rare | — |
| MegatheriumMercadian Masques · 259 | Mercadian Masques | 259 | Rare | €0.34 |
| MegatogMirrodin · 100 | Mirrodin | 100 | Rare | €0.26 |
| Megaton's FateFallout · 61 | Fallout | 61 | Rare | €0.30 |
| Megaton's FateFallout · 388 | Fallout | 388 | Rare | €0.36 |
| Megaton's FateFallout · 589 | Fallout | 589 | Rare | €1.45 |
| Megaton's FateFallout · 916 | Fallout | 916 | Rare | €1.33 |
| Megatron, Tyrant // Megatron, Destructive ForceTransformers · 12 | Transformers | 12 | Mythic Rare | €0.66 |
| Megatron, Tyrant // Megatron, Destructive ForceTransformers · 26 | Transformers | 26 | Mythic Rare | €12.31 |
| MeglonothConflux · 118 | Conflux | 118 | Rare | $0.37 |
| MeglonothSalvat 2011 · 173 | Salvat 2011 | 173 | Rare | €0.46 |
| MegrimTenth Edition · 157 | Tenth Edition | 157 | Uncommon | €0.42 |
| MegrimSeventh Edition · 146 | Seventh Edition | 146 | Uncommon | €0.75 |
| MegrimSeventh Edition · 146★ | Seventh Edition | 146★ | Uncommon | $0.93 |
| MegrimEighth Edition · 143 | Eighth Edition | 143 | Uncommon | €0.43 |
| MegrimEighth Edition · 143★ | Eighth Edition | 143★ | Uncommon | $1.48 |
| MegrimNinth Edition · 144 | Ninth Edition | 144 | Uncommon | €0.51 |
| MegrimNinth Edition · 144★ | Ninth Edition | 144★ | Uncommon | $1.17 |
| MegrimDuels of the Planeswalkers · 26 | Duels of the Planeswalkers | 26 | Uncommon | €0.53 |
| MegrimMagic 2010 · 104 | Magic 2010 | 104 | Uncommon | €0.55 |
| MegrimSalvat 2011 · 74 | Salvat 2011 | 74 | Uncommon | €0.65 |
| MegrimStronghold · 62 | Stronghold | 62 | Uncommon | €0.99 |
| Meishin, the Mind CageSaviors of Kamigawa · 44 | Saviors of Kamigawa | 44 | Rare | €1.17 |
| Mek'leth BerserkerStar Trek Commander · 166 | Star Trek Commander | 166 | Common | $2.54 |
| Melancholic PoetSecrets of Strixhaven · 90 | Secrets of Strixhaven | 90 | Common | €0.08 |
| MelancholyPlanar Chaos · 88 | Planar Chaos | 88 | Common | $0.07 |
| Melded MoxiteEdge of Eternities · 143 | Edge of Eternities | 143 | Common | €0.24 |
| Meldweb CuratorPhyrexia: All Will Be One · 59 | Phyrexia: All Will Be One | 59 | Common | €0.03 |