| Name | Cost | Price |
|---|---|---|
| Mortify | $0.25 | |
| Mortis Dogs | $0.07 | |
| Mortivore | $0.34 | |
| Mortuary Mire | $0.34 | |
| Mossborn Hydra | $19.89 | |
| Mossbridge Troll | $1.68 | |
| Moss Diamond | $0.23 | |
| Mossdog | $0.15 | |
| Mossfire Egg | $0.30 | |
| Mossfire Valley | $0.21 | |
| Moss Monster | $0.06 | |
| Mosstodon | $0.13 | |
| Mosswood Dreadknight // Dread Whispers | $0.48 | |
| Mosswort Bridge | $0.35 | |
| Most Wanted | $0.21 | |
| Mothdust Changeling | $0.40 | |
| Mother of Goons | $0.23 | |
| Mother of Runes | $10.47 | |
| Mothrider Samurai | $0.11 | |
| Motion Sickness | — | |
| Motivated Pony | $0.66 | |
| Mountain | $0.07 | |
| Mountain Bandit | $1.77 | |
| Mountain Goat | $0.14 |