| Merfolk of the Pearl TridentSecret Lair Drop Tokens · 714 | Secret Lair Drop Tokens | 714 | Rare | — |
| Merfolk SovereignDuel Decks: Merfolk vs. Goblins · 11 | Duel Decks: Merfolk vs. Goblins | 11 | Rare | $0.36 |
| Merfolk SovereignExplorers of Ixalan Tokens · 10 | Explorers of Ixalan Tokens | 10 | Rare | $0.35 |
| Merfolk SovereignJumpstart 2022 · 321 | Jumpstart 2022 | 321 | Rare | $0.41 |
| Merfolk SovereignThe Lost Caverns of Ixalan Commander · 164 | The Lost Caverns of Ixalan Commander | 164 | Rare | €0.35 |
| Merfolk SovereignMagic 2010 · 62 | Magic 2010 | 62 | Rare | €0.40 |
| Merfolk SovereignMagic 2011 · 65 | Magic 2011 | 65 | Rare | €0.36 |
| Meria, Scholar of AntiquityDominaria United · 206 | Dominaria United | 206 | Rare | €0.21 |
| Meria, Scholar of AntiquityDominaria United · 305 | Dominaria United | 305 | Rare | €0.16 |
| Meria, Scholar of AntiquityDominaria United · 346 | Dominaria United | 346 | Rare | €0.02 |
| Meria, Scholar of AntiquityDominaria United Promos · 206p | Dominaria United Promos | 206p | Rare | €0.26 |
| Meria, Scholar of AntiquityDominaria United Promos · 206s | Dominaria United Promos | 206s | Rare | €0.80 |
| Merieke Ri BeritIce Age · 297 | Ice Age | 297 | Rare | €2.23 |
| Merrow ReejereyFriday Night Magic 2009 · 4 | Friday Night Magic 2009 | 4 | Rare | €2.84 |
| Merry, Esquire of RohanThe Lord of the Rings: Tales of Middle-earth · 215 | The Lord of the Rings: Tales of Middle-earth | 215 | Rare | $0.41 |
| Merry, Esquire of RohanThe Lord of the Rings: Tales of Middle-earth · 325 | The Lord of the Rings: Tales of Middle-earth | 325 | Rare | $0.54 |
| Merry, Esquire of RohanThe Lord of the Rings: Tales of Middle-earth · 437 | The Lord of the Rings: Tales of Middle-earth | 437 | Rare | $1.13 |
| Merry, Esquire of RohanThe Lord of the Rings: Tales of Middle-earth · 666 | The Lord of the Rings: Tales of Middle-earth | 666 | Rare | €1.80 |
| Merry, Esquire of RohanThe Lord of the Rings: Tales of Middle-earth · 817 | The Lord of the Rings: Tales of Middle-earth | 817 | Rare | €5.56 |
| Merry, Esquire of RohanTales of Middle-earth Promos · 215s | Tales of Middle-earth Promos | 215s | Rare | €2.18 |
| Merry-Go-RoundUnfinity · 222a | Unfinity | 222a | Rare | €0.43 |
| Merry-Go-RoundUnfinity · 222b | Unfinity | 222b | Rare | $0.42 |
| Merry, Warden of IsengardTales of Middle-earth Commander · 61 | Tales of Middle-earth Commander | 61 | Rare | €0.15 |
| Merry, Warden of IsengardTales of Middle-earth Commander · 143 | Tales of Middle-earth Commander | 143 | Rare | $1.65 |
| Merry, Warden of IsengardTales of Middle-earth Commander · 468 | Tales of Middle-earth Commander | 468 | Rare | €3.09 |
| Mesa EnchantressCommander 2015 · 75 | Commander 2015 | 75 | Rare | $0.57 |
| Mesa EnchantressCommander Masters · 828 | Commander Masters | 828 | Rare | €0.49 |
| Mesa EnchantressDuskmourn: House of Horror Commander · 68 | Duskmourn: House of Horror Commander | 68 | Rare | $0.84 |
| Mesa EnchantressMagic 2010 · 20 | Magic 2010 | 20 | Rare | €0.43 |
| Mesa EnchantressMagic 2012 · 25 | Magic 2012 | 25 | Rare | $0.51 |
| Mesa EnchantressPlanar Chaos · 26 | Planar Chaos | 26 | Rare | €0.55 |
| Mesa EnchantressSecret Lair Drop Tokens · 282 | Secret Lair Drop Tokens | 282 | Rare | €12.22 |
| Mesmeric OrbDouble Masters · 272 | Double Masters | 272 | Rare | €13.08 |
| Mesmeric OrbMirrodin · 204 | Mirrodin | 204 | Rare | €12.51 |
| Mesmeric OrbSalvat 2005 · H13 | Salvat 2005 | H13 | Rare | €11.14 |
| Mesmeric OrbSecret Lair Drop Tokens · 2457 | Secret Lair Drop Tokens | 2457 | Rare | €14.86 |
| Mesmeric SliverSecret Lair Drop Tokens · 620 | Secret Lair Drop Tokens | 620 | Rare | €0.52 |
| Mesmeric TranceIce Age · 83 | Ice Age | 83 | Rare | €0.83 |
| Mesmeric TranceMasters Edition II · 55 | Masters Edition II | 55 | Rare | — |
| MetagamerMystery Booster Playtest Cards 2019 · 8 | Mystery Booster Playtest Cards 2019 | 8 | Rare | €0.02 |
| MetagamerMystery Booster Playtest Cards 2021 · 8 | Mystery Booster Playtest Cards 2021 | 8 | Rare | €0.17 |
| Metallic MimicAether Revolt · 164 | Aether Revolt | 164 | Rare | €1.27 |
| Metallic MimicInnistrad Remastered · 268 | Innistrad Remastered | 268 | Rare | €1.39 |
| Metallic MimicInnistrad Remastered · 445 | Innistrad Remastered | 445 | Rare | €2.11 |
| Metallic MimicThe Lost Caverns of Ixalan Commander · 308 | The Lost Caverns of Ixalan Commander | 308 | Rare | €1.64 |
| Metallic MimicMarvel Super Heroes Commander · 203 | Marvel Super Heroes Commander | 203 | Rare | €1.01 |
| Metallic MimicAether Revolt Promos · 164s | Aether Revolt Promos | 164s | Rare | €6.11 |
| Metallic MimicSecret Lair Drop Tokens · 194 | Secret Lair Drop Tokens | 194 | Rare | €13.58 |
| Metallic MimicKaladesh Remastered · 251 | Kaladesh Remastered | 251 | Rare | — |
| Metallic MimicFoundations Commander · 269 | Foundations Commander | 269 | Rare | $0.82 |