- Molten Destruction
- Monster Baton
- Monster Cat
- Monster Chain
- Monster Reborn
- Monster Recovery
- Monster Register
- Monster Reincarnation
- Monster Replace
- Monster Slots
- Monster Tamer
- Montage Dragon
- Moon Dragon Quilla
- Moonlit Papillon
- Morinphen
- Morphing Jar
- Morpho Butterspy
- Morphtransition
- Morphtronic Boomboxen
- Morphtronic Celfon
- Morphtronic Cord
- Morphtronic Datatron
- Morphtronic Lantron
- Morphtronic Magnen