| Mentor of the MeekStarter Commander Decks · 28 | Starter Commander Decks | 28 | Rare | $0.17 |
| Mentor of the MeekThe List Tokens · 2X2-17 | The List Tokens | 2X2-17 | Uncommon | €0.12 |
| Mentor of the MeekCrimson Vow Commander · 93 | Crimson Vow Commander | 93 | Rare | €0.09 |
| Mentor of the MeekPioneer Masters · 27 | Pioneer Masters | 27 | Uncommon | — |
| Mentor of the MeekMagic Online Promos · 102219 | Magic Online Promos | 102219 | Uncommon | — |
| Mentor of the MeekThe Hobbit Eternal · 170 | The Hobbit Eternal | 170 | Rare | €1.74 |
| Mentor's GuidanceStrixhaven: School of Mages · 46 | Strixhaven: School of Mages | 46 | Uncommon | $0.11 |
| Mephidross SlimeAlchemy: Phyrexia · 25 | Alchemy: Phyrexia | 25 | Uncommon | — |
| Mephidross VampireFifth Dawn · 53 | Fifth Dawn | 53 | Rare | €0.98 |
| Mephidross VampireSpecial Guests · 4 | Special Guests | 4 | Rare | €1.36 |
| Mephitic DraughtThe Lost Caverns of Ixalan · 112 | The Lost Caverns of Ixalan | 112 | Common | €0.13 |
| Mephitic OozeDarksteel · 47 | Darksteel | 47 | Rare | €0.23 |
| Mephitic VaporsGuilds of Ravnica · 76 | Guilds of Ravnica | 76 | Common | €0.06 |
| Mephitic VaporsThe List Tokens · GRN-76 | The List Tokens | GRN-76 | Common | €0.14 |
| Mephitic VaporsRavnica Remastered · 85 | Ravnica Remastered | 85 | Common | €0.04 |
| Mephit's EnthusiasmAlchemy Horizons: Baldur's Gate · 60 | Alchemy Horizons: Baldur's Gate | 60 | Uncommon | — |
| Mercadian AtlasMercadian Masques · 305 | Mercadian Masques | 305 | Rare | $0.57 |
| Mercadian BazaarMercadian Masques · 321 | Mercadian Masques | 321 | Uncommon | €0.41 |
| Mercadian LiftMercadian Masques · 306 | Mercadian Masques | 306 | Rare | €0.39 |
| Mercadia's DownfallMercadian Masques · 205 | Mercadian Masques | 205 | Uncommon | €0.57 |
| Mercadia's DownfallThe List Tokens · MMQ-205 | The List Tokens | MMQ-205 | Uncommon | €0.21 |
| MercenariesIce Age · 44 | Ice Age | 44 | Rare | $0.57 |
| MercenaryOutlaws of Thunder Junction Tokens · 10 | Outlaws of Thunder Junction Tokens | 10 | — | $0.28 |
| Mercenary InformerProphecy · 15 | Prophecy | 15 | Rare | €0.36 |
| Mercenary KnightPortal · 99 | Portal | 99 | Rare | €2.17 |
| Merchant of Many HatsAvatar: The Last Airbender · 110 | Avatar: The Last Airbender | 110 | Common | €0.04 |
| Merchant of SecretsEighth Edition · 90 | Eighth Edition | 90 | Common | €0.08 |
| Merchant of SecretsEighth Edition · 90★ | Eighth Edition | 90★ | Common | $0.08 |
| Merchant of SecretsCommander 2017 · 87 | Commander 2017 | 87 | Common | €0.05 |
| Merchant of SecretsLegions · 44 | Legions | 44 | Common | €0.05 |
| Merchant of the Vale // HaggleThrone of Eldraine · 131 | Throne of Eldraine | 131 | Common | €0.04 |
| Merchant of the Vale // HaggleThrone of Eldraine · 293 | Throne of Eldraine | 293 | Common | $0.27 |
| Merchant of the Vale // HaggleThe List Tokens · ELD-131 | The List Tokens | ELD-131 | Common | $0.05 |
| Merchant of the Vale // HaggleMagic Online Promos · 78778 | Magic Online Promos | 78778 | Common | — |
| Merchant of TruthMurders at Karlov Manor Commander · 11 | Murders at Karlov Manor Commander | 11 | Rare | €0.48 |
| Merchant of TruthMurders at Karlov Manor Commander · 322 | Murders at Karlov Manor Commander | 322 | Rare | €0.72 |
| Merchant of TruthFoundations Commander · 39 | Foundations Commander | 39 | Rare | €0.23 |
| Merchant of VenomSecrets of Strixhaven Commander · 27 | Secrets of Strixhaven Commander | 27 | Rare | €0.27 |
| Merchant of VenomSecrets of Strixhaven Commander · 76 | Secrets of Strixhaven Commander | 76 | Rare | €0.28 |
| Merchant RaidersCommander Legends · 81 | Commander Legends | 81 | Uncommon | €0.06 |
| Merchant RaidersThe Lost Caverns of Ixalan Commander · 163 | The Lost Caverns of Ixalan Commander | 163 | Uncommon | €0.16 |
| Merchant ScrollEighth Edition · 91 | Eighth Edition | 91 | Uncommon | €4.50 |
| Merchant ScrollEighth Edition · 91★ | Eighth Edition | 91★ | Uncommon | $4.81 |
| Merchant ScrollHomelands · 33 | Homelands | 33 | Common | $5.41 |
| Merchant ScrollJudge Gift Cards 2018 · 1 | Judge Gift Cards 2018 | 1 | Rare | €27.80 |
| Merchant ScrollMystery Booster 2 Tokens · 167 | Mystery Booster 2 Tokens | 167 | Common | $2.30 |
| Merchant ScrollMagic Online Promos · 68055 | Magic Online Promos | 68055 | Rare | — |
| Merchant ScrollThe Zeta Set · 23 | The Zeta Set | 23 | Uncommon | — |
| Merchant ScrollThe Zeta Set · 144 | The Zeta Set | 144 | Uncommon | — |
| Merchant ScrollThe Zeta Set · 265 | The Zeta Set | 265 | Uncommon | — |