| Name | Cost | Price |
|---|---|---|
| Mirrorpool | $3.52 | |
| Mirror Room // Fractured Realm | $2.40 | |
| Mirrorshell Crab | $0.30 | |
| Mirror-Shield Hoplite | $0.10 | |
| Mirror Strike | $1.22 | |
| Mirror Universe | — | |
| Mirrorweave | $1.28 | |
| Mirrorwing Dragon | $0.52 | |
| Miscalculation | $0.48 | |
| Miscast | $1.17 | |
| Mischievous Mystic | $0.27 | |
| Mischievous Poltergeist | $0.37 | |
| Mischievous Sneakling | $0.17 | |
| Misdirection | $5.84 | |
| Mise | $0.29 | |
| Misery Charm | $0.24 | |
| Misery's Shadow | $0.33 | |
| Mishra, Lost to Phyrexia | — | |
| Mishra's Bauble | $2.43 | |
| Mishra's Factory | $0.17 | |
| Mishra's Foundry | $0.46 | |
| Mishra's Helix | $0.50 | |
| Mishra's Self-Replicator | — | |
| Mishra's War Machine | $0.41 |