| Name | Cost | Price |
|---|---|---|
| Mist Raven | $0.06 | |
| Mistrise Village | $8.35 | |
| Mists of Lórien | — | |
| Mistwalker | $0.12 | |
| Misty Rainforest | $38.18 | |
| Mithril Coat | $32.50 | |
| Mitotic Manipulation | $0.37 | |
| Mitotic Slime | $0.36 | |
| Mizzium Meddler | — | |
| Mizzium Mortars | $0.48 | |
| Mizzium Tank | $0.23 | |
| Mizzix of the Izmagnus | $2.29 | |
| Mizzix's Mastery | $5.97 | |
| Mjölnir, Hammer of Thor | $36.88 | |
| Mjölnir, Storm Hammer | $3.47 | |
| MJ, Rising Star | $0.30 | |
| Mm'menon, the Right Hand | $1.42 | |
| Mm'menon, Uthros Exile | $0.26 | |
| Mnemonic Deluge | $6.50 | |
| Mnemonic Nexus | $0.23 | |
| Mnemonic Sliver | $0.46 | |
| Mnemonic Sphere | $0.25 | |
| Mnemonic Wall | $0.22 | |
| Moan of the Unhallowed | $0.09 |