Mad Dash
- Beta
- Ordinary
- Magic
Maddening Bells
- Beta
- Elite
- Artifact
Maelström
- Beta
- Unique
- Site
Mage Slayer
- Beta
- Ordinary
- Minion
Magellan Globe
- Beta
- Elite
- Artifact
Magnetic Muzzle
- Beta
- Elite
- Artifact
Major Explosion
- Beta
- Elite
- Magic
Marine Voyage
- Beta
- Exceptional
- Magic
Mariner's Curse
- Beta
- Exceptional
- Aura
Mask of Mayhem
- Beta
- Elite
- Artifact
Master Tracker
- Beta
- Elite
- Minion
Maze Minotaur
- Beta
- Elite
- Minion
Megamoeba
- Beta
- Elite
- Minion
Men of Leng
- Beta
- Ordinary
- Minion
Meteor Shower
- Beta
- Elite
- Magic
Midland Army
- Beta
- Unique
- Minion
Midnight Rogue
- Beta
- Ordinary
- Minion
Minecart Madness
- Beta
- Exceptional
- Magic
Minor Explosion
- Beta
- Ordinary
- Magic
Miracle Workers
- Beta
- Ordinary
- Minion
Mirage
- Beta
- Elite
- Site
Mirror Realm
- Beta
- Unique
- Site
Mix Aer
- Beta
- Elite
- Artifact
Mix Aqua
- Beta
- Elite
- Artifact
Mix Ignis
- Beta
- Elite
- Artifact
Mix Terra
- Beta
- Elite
- Artifact
Monastery Gargoyle
- Beta
- Exceptional
- Minion
Monster Hunter
- Beta
- Exceptional
- Minion
Moon Clan Werewolf
- Beta
- Exceptional
- Minion
Mordric Druids
- Beta
- Elite
- Minion
Mortality
- Beta
- Ordinary
- Magic
Mother Nature
- Beta
- Unique
- Minion
Mountain Giant
- Beta
- Elite
- Minion
Mountain Pass
- Beta
- Exceptional
- Site
Muck Lampreys
- Beta
- Ordinary
- Minion
Mudflow
- Beta
- Exceptional
- Site
Nightmare
- Beta
- Elite
- Minion
Nimbus Jinn
- Beta
- Elite
- Minion
Oasis
- Beta
- Exceptional
- Site
Observatory
- Beta
- Elite
- Site
Occult Ritual
- Beta
- Unique
- Magic
Ogre Goons
- Beta
- Ordinary
- Minion
Old Salt Anchorman
- Beta
- Ordinary
- Minion
Onyx Core
- Beta
- Unique
- Artifact
Orb of Ba'al Berith
- Beta
- Unique
- Artifact
Ormund Harpooneers
- Beta
- Exceptional
- Minion
Outback Strider
- Beta
- Exceptional
- Minion
Overpower
- Beta
- Ordinary
- Magic