Magic: the Gathering (Cards)
| Name | Collector Number |
|---|---|
| Mazzy, Truesword Paladin Battle for Baldur's Gate Promos | 283s |
| Me, the Immortal Doctor Who | 1021 |
| Me, the Immortal (4 variants) Doctor Who | 430 |
| Me, the Immortal (8 variants) Doctor Who | 147 |
| Me, the Immortal Doctor Who | 752 |
| Meadowboon (18 variants) Morningtide | 17 |
| Meadowboon (2 variants) Modern Masters | 22 |
| Meandered Towershell Mystery Booster 2 | 578 |
| Meandering River (22 variants) Oath of the Gatewatch | 173 |
| Meandering River (10 variants) Kaldheim Commander | 114 |
| Meandering River (11 variants) Amonkhet | 283 |
| Meandering River (7 variants) Commander 2018 | 265 |
| Meandering River (2 variants) Global Series Jiang Yanggu & Mu Yanling | 19 |
| Meandering River Starter Commander Decks | 308 |
| Meandering River (22 variants) Core Set 2019 | 253 |
| Meandering River (11 variants) Dominaria | 274 |
| Meandering Towershell (22 variants) Khans of Tarkir | 141 |
| Meandering Towershell (2 variants) Secret Lair Drop | 236 |
| Meandering Towershell The List | KTK-141 |
| Meanders Guide (12 variants) Lorwyn Eclipsed | 25 |
| Measure of Wickedness (16 variants) Saviors of Kamigawa | 82 |
| Meat Locker // Drowned Diner (12 variants) Duskmourn: House of Horror | 65 |
| Meathook Massacre II (12 variants) Duskmourn: House of Horror | 311 |
| Meathook Massacre II (2 variants) Duskmourn: House of Horror Promos | 108p |
| Meathook Massacre II Duskmourn: House of Horror Promos | 108s |
| Meathook Massacre II (12 variants) Duskmourn: House of Horror | 293 |
| Meathook Massacre II (12 variants) Duskmourn: House of Horror | 108 |
| Meatsqueak, Hoard Lord (2 variants) Mystery Booster Commander Edition | 32 |
| Mech Hangar (22 variants) Kamigawa: Neon Dynasty | 270 |
| Mechan Assembler (12 variants) Edge of Eternities | 63 |
| Mechan Navigator (12 variants) Edge of Eternities | 64 |
| Mechan Shieldmate (12 variants) Edge of Eternities | 65 |
| Mechanical Glider (12 variants) Avatar: The Last Airbender Eternal | 256 |
| Mechanical Mobster (12 variants) Marvel's Spider-Man | 168 |
| Mechanized Ninja Cavalry (12 variants) Teenage Mutant Ninja Turtles | 156 |
| Mechanized Production (2 variants) Marvel Universe | 57 |
| Mechanized Production Secret Lair Drop | 1841 |
| Mechanized Production (7 variants) Jumpstart 2022 | 320 |
| Mechanized Production (22 variants) Aether Revolt | 38 |
| Mechanized Production (14 variants) Fallout | 178 |
| Mechanized Production The List | AER-38 |
| Mechanized Production (6 variants) Fallout | 461 |
| Mechanized Production Fallout | 706 |
| Mechanized Production (5 variants) Murders at Karlov Manor Commander | 109 |
| Mechanized Production Aether Revolt Promos | 38s |
| Mechanized Production Fallout | 989 |
| Mechanized Warfare (10 variants) The Brothers' War | 338 |
| Mechanized Warfare (16 variants) The Brothers' War | 139 |
| Mechanized Warfare The Brothers' War Promos | 139s |
| Mechanized Warfare (2 variants) The Brothers' War Promos | 139p |