| Magefire WingsAlara Reborn · 88 | Alara Reborn | 88 | Common | €0.11 |
| Mage Hunters' OnslaughtStrixhaven: School of Mages · 77 | Strixhaven: School of Mages | 77 | Common | €0.03 |
| Mage il-VecExodus · 86 | Exodus | 86 | Common | €0.03 |
| Mage-Ring BullyMagic Origins · 154 | Magic Origins | 154 | Common | €0.07 |
| Mage's GuileOnslaught · 91 | Onslaught | 91 | Common | $0.22 |
| Mageta's BoonProphecy · 14 | Prophecy | 14 | Common | $0.11 |
| Mage Tower RefereeSecrets of Strixhaven · 249 | Secrets of Strixhaven | 249 | Common | €0.02 |
| Maggot CarrierEighth Edition · 142 | Eighth Edition | 142 | Common | €0.11 |
| Maggot CarrierEighth Edition · 142★ | Eighth Edition | 142★ | Common | $0.23 |
| Maggot CarrierPlaneshift · 45 | Planeshift | 45 | Common | €0.13 |
| Maggot TherapyMercadian Masques · 145 | Mercadian Masques | 145 | Common | €0.07 |
| Magic DamperFinal Fantasy · 61 | Final Fantasy | 61 | Common | €0.10 |
| Magic PotFinal Fantasy · 263 | Final Fantasy | 263 | Common | €0.05 |
| Magic WordUnsanctioned · 24 | Unsanctioned | 24 | Common | $0.13 |
| Magic WordUnstable · 38 | Unstable | 38 | Common | €0.08 |
| Magitek InfantryFinal Fantasy · 25 | Final Fantasy | 25 | Common | $0.09 |
| Magma BurstPlaneshift · 66 | Planeshift | 66 | Common | €0.08 |
| Magma HellionBattlebond · 61 | Battlebond | 61 | Common | $0.10 |
| Magma JetModern Masters 2017 · 100 | Modern Masters 2017 | 100 | Common | $0.12 |
| Magmakin ArtilleristAetherdrift · 137 | Aetherdrift | 137 | Common | €0.19 |
| Magma RiftZendikar · 136 | Zendikar | 136 | Common | €0.05 |
| Magma SprayShards of Alara · 108 | Shards of Alara | 108 | Common | $0.07 |
| Magma SprayAmonkhet · 141 | Amonkhet | 141 | Common | €0.08 |
| Magma SprayDuel Decks: Izzet vs. Golgari · 15 | Duel Decks: Izzet vs. Golgari | 15 | Common | €0.10 |
| Magma SprayJourney into Nyx · 103 | Journey into Nyx | 103 | Common | $0.13 |
| Magma SprayThe List Tokens · AKH-141 | The List Tokens | AKH-141 | Common | €0.12 |
| Magma SprayAmonkhet Remastered · 164 | Amonkhet Remastered | 164 | Common | — |
| Magmatic ChasmDragons of Tarkir · 148 | Dragons of Tarkir | 148 | Common | €0.08 |
| Magmatic ChasmShadows over Innistrad · 172 | Shadows over Innistrad | 172 | Common | $0.06 |
| Magmatic ChasmShadows over Innistrad Remastered · 168 | Shadows over Innistrad Remastered | 168 | Common | — |
| Magmatic SinkholeModern Horizons · 135 | Modern Horizons | 135 | Common | €0.07 |
| Magnetic FluxDarksteel · 25 | Darksteel | 25 | Common | $0.06 |
| Magnificent EndThe Hobbit · 20 | The Hobbit | 20 | Common | €0.02 |
| MagnifyUrza's Destiny · 111 | Urza's Destiny | 111 | Common | $0.19 |
| Magnifying GlassDouble Masters · 269 | Double Masters | 269 | Common | €0.02 |
| Magnifying GlassMurders at Karlov Manor · 255 | Murders at Karlov Manor | 255 | Common | €0.02 |
| Magnifying GlassShadows over Innistrad Remastered · 254 | Shadows over Innistrad Remastered | 254 | Common | — |
| Magnigoth SentryDominaria United · 172 | Dominaria United | 172 | Common | €0.05 |
| Magnigoth SentryFoundations · 556 | Foundations | 556 | Common | €0.10 |
| Majestic MetamorphosisFoundations Jumpstart · 323 | Foundations Jumpstart | 323 | Common | €0.09 |
| Majestic MetamorphosisThe List Tokens · SNC-48 | The List Tokens | SNC-48 | Common | $0.06 |
| Majestic MetamorphosisStreets of New Capenna · 48 | Streets of New Capenna | 48 | Common | €0.03 |
| Make DisappearStreets of New Capenna · 49 | Streets of New Capenna | 49 | Common | €0.21 |
| Make MischiefEldritch Moon · 135 | Eldritch Moon | 135 | Common | €0.07 |
| Make MischiefShadows over Innistrad Remastered · 169 | Shadows over Innistrad Remastered | 169 | Common | — |
| Makeshift BattalionCore Set 2021 · 26 | Core Set 2021 | 26 | Common | €0.02 |
| Makeshift BattalionRavnica Remastered · 22 | Ravnica Remastered | 22 | Common | €0.02 |
| Makeshift BattalionWar of the Spark · 22 | War of the Spark | 22 | Common | €0.05 |
| Makeshift BindingMurders at Karlov Manor · 23 | Murders at Karlov Manor | 23 | Common | €0.08 |
| Makeshift BindingMurders at Karlov Manor · 290 | Murders at Karlov Manor | 290 | Common | €0.09 |