| Morgul-Knife WoundThe Lord of the Rings: Tales of Middle-earth · 549 | The Lord of the Rings: Tales of Middle-earth | 549 | Common | €0.26 |
| Moria MarauderThe Lord of the Rings: Tales of Middle-earth · 138 | The Lord of the Rings: Tales of Middle-earth | 138 | Rare | $0.40 |
| Moria MarauderThe Lord of the Rings: Tales of Middle-earth · 362 | The Lord of the Rings: Tales of Middle-earth | 362 | Rare | €0.81 |
| Moria MarauderThe Lord of the Rings: Tales of Middle-earth · 589 | The Lord of the Rings: Tales of Middle-earth | 589 | Rare | $2.58 |
| Moria MarauderThe Lord of the Rings: Tales of Middle-earth · 773 | The Lord of the Rings: Tales of Middle-earth | 773 | Rare | $0.92 |
| Moria MarauderTales of Middle-earth Promos · 138s | Tales of Middle-earth Promos | 138s | Rare | €2.62 |
| Moria ScavengerTales of Middle-earth Commander · 63 | Tales of Middle-earth Commander | 63 | Rare | $0.43 |
| Moria ScavengerTales of Middle-earth Commander · 145 | Tales of Middle-earth Commander | 145 | Rare | €0.50 |
| Moria ScavengerTales of Middle-earth Commander · 470 | Tales of Middle-earth Commander | 470 | Rare | $2.28 |
| MorinfenWeatherlight · 75 | Weatherlight | 75 | Rare | $0.70 |
| Morinfen AvatarMagic Online Avatars · 76 | Magic Online Avatars | 76 | Rare | — |
| Moriok ReaverScars of Mirrodin · 70 | Scars of Mirrodin | 70 | Common | $0.04 |
| Moriok ReplicaScars of Mirrodin · 178 | Scars of Mirrodin | 178 | Common | $0.10 |
| Moriok RiggerFifth Dawn · 54 | Fifth Dawn | 54 | Rare | €0.35 |
| Moriok ScavengerMirrodin · 68 | Mirrodin | 68 | Common | €0.07 |
| Moritte of the FrostKaldheim · 223 | Kaldheim | 223 | Uncommon | €0.17 |
| Moritte of the FrostKaldheim · 328 | Kaldheim | 328 | Uncommon | €0.19 |
| Moritte of the FrostThe List Tokens · KHM-223 | The List Tokens | KHM-223 | Uncommon | $0.27 |
| Moritte of the FrostMagic Online Promos · 88392 | Magic Online Promos | 88392 | Uncommon | — |
| Morkrut BansheeDouble Masters · 99 | Double Masters | 99 | Uncommon | $0.01 |
| Morkrut BansheeCommander 2014 · 149 | Commander 2014 | 149 | Uncommon | $0.04 |
| Morkrut BansheeConspiracy · 118 | Conspiracy | 118 | Uncommon | $0.05 |
| Morkrut BansheeInnistrad Remastered · 125 | Innistrad Remastered | 125 | Uncommon | €0.07 |
| Morkrut BansheeInnistrad · 110 | Innistrad | 110 | Uncommon | €0.08 |
| Morkrut BansheeJumpstart 2022 · 121 | Jumpstart 2022 | 121 | Uncommon | €0.10 |
| Morkrut BehemothInnistrad: Double Feature · 114 | Innistrad: Double Feature | 114 | Common | €0.07 |
| Morkrut BehemothFoundations Jumpstart · 465 | Foundations Jumpstart | 465 | Common | €0.19 |
| Morkrut BehemothInnistrad: Midnight Hunt · 114 | Innistrad: Midnight Hunt | 114 | Common | $0.07 |
| Morkrut NecropodFoundations Jumpstart · 466 | Foundations Jumpstart | 466 | Uncommon | €0.13 |
| Morkrut NecropodShadows over Innistrad · 125 | Shadows over Innistrad | 125 | Uncommon | €0.10 |
| Morkrut NecropodShadows over Innistrad Remastered · 125 | Shadows over Innistrad Remastered | 125 | Common | — |
| Morlun, Devourer of SpidersMarvel's Spider-Man Promos · 59s | Marvel's Spider-Man Promos | 59s | Rare | €1.33 |
| Morlun, Devourer of SpidersMarvel's Spider-Man · 59 | Marvel's Spider-Man | 59 | Rare | €0.30 |
| Morlun, Devourer of SpidersMarvel's Spider-Man · 257 | Marvel's Spider-Man | 257 | Rare | €0.40 |
| Morlun, Devourer of SpidersThrough the Omenpaths · 60 | Through the Omenpaths | 60 | Rare | — |
| Morlun, Devourer of Spiders // Morlun, Devourer of SpidersMarvel's Spider-Man Art Series · 9 | Marvel's Spider-Man Art Series | 9 | — | — |
| MorningtideTorment · 10 | Torment | 10 | Rare | $0.43 |
| Morningtide's LightLorwyn Eclipsed · 27 | Lorwyn Eclipsed | 27 | Mythic Rare | €2.11 |
| Morningtide's LightLorwyn Eclipsed · 301 | Lorwyn Eclipsed | 301 | Mythic Rare | $2.48 |
| Morningtide's LightLorwyn Eclipsed Promos · 27p | Lorwyn Eclipsed Promos | 27p | Mythic Rare | $1.30 |
| Morningtide's Light // Morningtide's LightLorwyn Eclipsed Art Series · 2 | Lorwyn Eclipsed Art Series | 2 | — | — |
| Mornsong AriaLorwyn Eclipsed · 111 | Lorwyn Eclipsed | 111 | Rare | €0.18 |
| Mornsong AriaLorwyn Eclipsed · 361 | Lorwyn Eclipsed | 361 | Rare | €0.31 |
| Mornsong AriaLorwyn Eclipsed Promos · 111p | Lorwyn Eclipsed Promos | 111p | Rare | €0.02 |
| MoroiiDuel Decks: Ajani vs. Nicol Bolas · 51 | Duel Decks: Ajani vs. Nicol Bolas | 51 | Uncommon | €0.05 |
| MoroiiGRN Guild Kit · 18 | GRN Guild Kit | 18 | Uncommon | €0.09 |
| MoroiiModern Masters 2017 · 173 | Modern Masters 2017 | 173 | Uncommon | €0.04 |
| MoroiiRavnica: City of Guilds · 216 | Ravnica: City of Guilds | 216 | Uncommon | €0.08 |
| MoroiiRavnica Remastered · 202 | Ravnica Remastered | 202 | Uncommon | €0.04 |
| Morophon, the BoundlessCommander Masters · 3 | Commander Masters | 3 | Mythic Rare | €4.67 |