| The Mind Stone // The Mind StoneMarvel Super Heroes Art Series · 3 | Marvel Super Heroes Art Series | 3 | — | — |
| The MiniaturizerUnknown Event · RW04d | Unknown Event | RW04d | Rare | — |
| The Mirari ConjectureDominaria · 57 | Dominaria | 57 | Rare | €0.10 |
| The Mirari ConjectureDominaria Promos · 57s | Dominaria Promos | 57s | Rare | €0.38 |
| The Mirari ConjectureThe List Tokens · DOM-57 | The List Tokens | DOM-57 | Rare | €0.26 |
| The Misty Mountains ColdThe Hobbit · 104 | The Hobbit | 104 | Rare | $0.32 |
| The Misty Mountains ColdThe Hobbit · 321 | The Hobbit | 321 | Rare | €0.24 |
| The Misty StepperUnknown Event · RU05c | Unknown Event | RU05c | Rare | $35.50 |
| The Modern Age // Vector GliderKamigawa: Neon Dynasty · 66 | Kamigawa: Neon Dynasty | 66 | Common | €0.16 |
| The MomentDoctor Who · 180 | Doctor Who | 180 | Rare | €0.20 |
| The MomentDoctor Who · 459 | Doctor Who | 459 | Rare | €0.33 |
| The MomentDoctor Who · 785 | Doctor Who | 785 | Rare | €0.70 |
| The MomentDoctor Who · 1050 | Doctor Who | 1050 | Rare | €0.75 |
| The MonarchWOE Japanese Promo Tokens · 6 | WOE Japanese Promo Tokens | 6 | — | €12.15 |
| The MonarchForgotten Realms Commander Tokens · 13 | Forgotten Realms Commander Tokens | 13 | — | — |
| The MonarchConspiracy: Take the Crown Tokens · 1 | Conspiracy: Take the Crown Tokens | 1 | — | $0.25 |
| The MonarchCommander Legends Tokens · 14 | Commander Legends Tokens | 14 | — | $0.28 |
| The MonarchCommander Masters Tokens · 50 | Commander Masters Tokens | 50 | — | — |
| The MonarchLorwyn Eclipsed Commander Tokens · 12 | Lorwyn Eclipsed Commander Tokens | 12 | — | — |
| The MonarchFinal Fantasy Commander Tokens · 11 | Final Fantasy Commander Tokens | 11 | — | — |
| The MonarchThe Lost Caverns of Ixalan Commander Tokens · 18 | The Lost Caverns of Ixalan Commander Tokens | 18 | — | — |
| The MonarchTales of Middle-earth Commander Tokens · 15 | Tales of Middle-earth Commander Tokens | 15 | — | — |
| The MonarchMurders at Karlov Manor Commander Tokens · 31 | Murders at Karlov Manor Commander Tokens | 31 | — | — |
| The MonarchMarch of the Machine Commander Tokens · 46 | March of the Machine Commander Tokens | 46 | — | — |
| The MonarchMarvel Super Heroes Commander Tokens · 16 | Marvel Super Heroes Commander Tokens | 16 | — | — |
| The MonarchPhyrexia: All Will Be One Commander Tokens · 22 | Phyrexia: All Will Be One Commander Tokens | 22 | — | — |
| The MonarchOutlaws of Thunder Junction Commander Tokens · 29 | Outlaws of Thunder Junction Commander Tokens | 29 | — | — |
| The MonarchThe List Tokens · TCMR-14 | The List Tokens | TCMR-14 | — | €0.28 |
| The MonarchReality Fracture Commander Tokens · 17 | Reality Fracture Commander Tokens | 17 | — | — |
| The MonarchFoundations Commander Tokens · 17 | Foundations Commander Tokens | 17 | — | — |
| The Monumental FacadePhyrexia: All Will Be One · 255 | Phyrexia: All Will Be One | 255 | Rare | €0.14 |
| The Monumental FacadePhyrexia: All Will Be One · 401 | Phyrexia: All Will Be One | 401 | Rare | €0.29 |
| The Monumental FacadePhyrexia: All Will Be One Promos · 255p | Phyrexia: All Will Be One Promos | 255p | Rare | €0.25 |
| The Monumental FacadePhyrexia: All Will Be One Promos · 255s | Phyrexia: All Will Be One Promos | 255s | Rare | $0.35 |
| The MoonbaseDoctor Who · 591 | Doctor Who | 591 | Common | €0.23 |
| The Most Dangerous GamerUnfinity · 174 | Unfinity | 174 | Rare | €0.19 |
| The Most Dangerous GamerUnfinity · 266 | Unfinity | 266 | Rare | $0.26 |
| The Most Dangerous GamerUnfinity · 460 | Unfinity | 460 | Rare | $0.80 |
| The Most Dangerous GamerUnfinity · 517 | Unfinity | 517 | Rare | €0.48 |
| The Motherlode, ExcavatorFallout · 62 | Fallout | 62 | Rare | €0.22 |
| The Motherlode, ExcavatorFallout · 389 | Fallout | 389 | Rare | €0.57 |
| The Motherlode, ExcavatorFallout · 590 | Fallout | 590 | Rare | $1.36 |
| The Motherlode, ExcavatorFallout · 917 | Fallout | 917 | Rare | €1.63 |
| The Mountain-king's ReturnThe Hobbit · 22 | The Hobbit | 22 | Uncommon | €0.06 |
| The Mouth of SauronThe Lord of the Rings: Tales of Middle-earth · 216 | The Lord of the Rings: Tales of Middle-earth | 216 | Uncommon | €0.10 |
| The Mouth of SauronThe Lord of the Rings: Tales of Middle-earth · 667 | The Lord of the Rings: Tales of Middle-earth | 667 | Uncommon | €0.34 |
| The Mouth of Sauron // The Mouth of SauronTales of Middle-earth Art Series · 18 | Tales of Middle-earth Art Series | 18 | — | — |
| The Mox PainterUnknown Event · RZ03k | Unknown Event | RZ03k | Rare | $107.50 |
| The Multifaceted PhyrexianUnknown Event · RB03 | Unknown Event | RB03 | Rare | $0.29 |
| The Multiplayer NitpickersUnknown Event · RZ02d | Unknown Event | RZ02d | Rare | — |