Sets Starting with M
Magic Ruler
Abbr: MRL-ENRelease: 9/16/2002Mainline
Magician's Force
Abbr: MFCRelease: 10/10/2003Mainline
Magnificent Mavens
Abbr: MAMARelease: 11/4/2022Mainline
Master Collection Volume 1
Abbr: MC1Release: 3/17/2005Mainline
Master Collection Volume 2
Abbr: MC2Release: 10/18/2005Mainline
Mattel Action Figure Promos: Series 1
Abbr: MF01Release: 1/1/2006Mainline
Mattel Action Figure Promos: Series 2
Abbr: MF02Release: 8/1/2006Mainline
Mattel Action Figure Promos: Series 3
Abbr: MF03Release: 1/6/2006Supplemental
Maximum Crisis
Abbr: MACRRelease: 5/5/2017Mainline
Maximum Gold
Abbr: MAGORelease: 10/9/2020Mainline
Maximum Gold: El Dorado
Abbr: MGEDRelease: 11/19/2021Mainline
Maze of Memories
Abbr: MAZERelease: 3/10/2023Mainline
Maze of Millennia
Abbr: MZMIRelease: 1/19/2024Mainline
Maze of the Master
Abbr: MZTMRelease: 3/14/2025Mainline
McDonald's Promo
Abbr: MP1Release: 12/10/2002Mainline
McDonald's Promo Series 2
Abbr: MDP2Release: 12/10/2006Mainline
Metal Raiders
Abbr: MRDRelease: 12/1/2004Mainline
Metal Raiders (25th Anniversary Edition)
Abbr: MRD-ENRelease: 4/21/2023Mainline
Metal Raiders (Worldwide English)
Abbr: MRD-ENRelease: 12/1/2004Mainline
Millennium Pack
Abbr: MIL1Release: 4/15/2016Mainline
Miscellaneous Promotional Cards
Abbr: MISCRelease: 9/22/2020Mainline
Mystic Fighters
Abbr: MYFIRelease: 11/22/2019Mainline