Magic: the Gathering (Cards)
| Name | Collector Number |
|---|---|
| Marrow-Gnawer Hachette UK | 1 |
| Marsh Flats Secret Lair: Ultimate Edition | 1 |
| Mass Production // Mass Production (2 variants) The Brothers' War Art Series | 1 |
| Master of Waves (2 variants) Duel Decks: Merfolk vs. Goblins | 1 |
| Memory Lapse Judge Gift Cards 1999 | 1 |
| Mendicant Core, Guidelight // Mendicant Core, Guidelight (2 variants) Aetherdrift Art Series | 1 |
| Merchant Scroll Judge Gift Cards 2018 | 1 |
| Merfolk // Treasure Friday Night Magic 2018 | 1 |
| Metallic Sliver Premium Deck Series: Slivers | 1 |
| Militant Angel Game Night | 1 |
| Millicent, Restless Revenant (20 variants) Crimson Vow Commander | 1 |
| Millicent, Restless Revenant Crimson Vow Commander Display Commanders | 1 |
| Minotaur Goreseeker Battle the Horde | 1 |
| Mirri's Guile Judge Gift Cards 2019 | 1 |
| Mishra, Eminent One (16 variants) The Brothers' War Commander | 1 |
| Mishra's Manufactory // Mishra's Manufactory (cont'd) (2 variants) The Brothers' War Minigames | 1 |
| Mite-y Phyrexia: All Will Be One Jumpstart Front Cards | 1 |
| Monk League Tokens 2015 | 1 |
| Monk Fate Reforged Tokens | 1 |
| Monk (2 variants) MOM Japanese Promo Tokens | 1 |
| Monk (2 variants) March of the Machine Tokens | 1 |
| Monster // Virtuous (2 variants) Wilds of Eldraine Commander Tokens | 1 |
| Monster of the Week // Monster of the Week (cont'd) (2 variants) Innistrad: Crimson Vow Minigames | 1 |
| Moraug, Fury of Akoum (5 variants) Year of the Ox 2021 | 1 |
| Morophon, the Boundless (22 variants) Modern Horizons | 1 |
| Morophon, the Boundless Judge Gift Cards 2021 | 1 |
| Mr. Monopoly, On the Go 2023 Heroes of the Realm | 1 |
| Mu Yanling (2 variants) Global Series Jiang Yanggu & Mu Yanling | 1 |
| Mystical Dispute (2 variants) Regional Championship Qualifiers 2023 | 1 |
| Nalathni Dragon Dragon Con | 1 |
| Nalathni Dragon Redemption Program | 1 |
| Necropolis Fiend Fate Reforged Clash Pack | 1 |
| Nightmare Moon // Princess Luna Ponies: The Galloping | 1 |
| Nissa, Voice of Zendikar (2 variants) Duel Decks: Nissa vs. Ob Nixilis | 1 |
| Nissa's Pilgrimage Friday Night Magic 2016 | 1 |
| Niv-Mizzet, the Firemind (2 variants) Duel Decks: Izzet vs. Golgari | 1 |
| Noose Constrictor Friday Night Magic 2017 | 1 |
| Nowhere to Run (2 variants) Wizards Play Network 2026 | 1 |
| Nyxborn Unicorn // Nyxborn Unicorn (2 variants) Modern Horizons 3 Art Series | 1 |
| Odric, Lunarch Marshal // Odric, Lunarch Marshal (2 variants) Innistrad Remastered Art Series | 1 |
| Ooze (2 variants) Teenage Mutant Ninja Turtles Eternal Tokens | 1 |
| Orim's Chant Judge Gift Cards 2008 | 1 |
| Ossification Cowboy Bebop | 1 |
| Painter's Servant Judge Gift Cards 2023 | 1 |
| Path to Exile (12 variants) Teenage Mutant Ninja Turtles Source Material | 1 |
| Path to Exile (2 variants) MagicFest 2020 | 1 |
| Peace Talks Multiverse Gift Box | 1 |
| Phyrexian Myr (2 variants) Multiverse Legends Tokens | 1 |
| Phyrexian Negator (2 variants) Duel Decks: Phyrexia vs. the Coalition | 1 |
| Pilot (2 variants) Aetherdrift Tokens | 1 |