The fourth generation of sets features the Sinnoh Region, as featured in the core games Diamond, Pearl, and Platinum for the Nintendo DS
6 Energy Retrieval Unfortunately, it's impossible to do much in a battle without energy
However, it's better not to exclude Messen from his Deck, so I think Majo will be excluded mainly in this case

Master Duel o m " Synchro " Members " Accel Synchro Stardust Dragon " " Accel Synchron " " Assault Synchron " " Bri Synchron " " Changer Synchron " " Clear Wing Synchro Dragon " " Clear Wing Synchro Dragon, Four Heavenly Dragons " " Crystal Clear Wing Over Synchro Dragon " " Crystal Clear Wing Synchro Dragon " " Crystal Wing Synchro Dragon " " Cyberse Synchron " " De-Synchro " " Drill Synchron " " Fleur Synchron " " Formula Synchron " " Harmonic Synchro Fusion " " Hyper Synchron " " Jet Synchron " " Junk Synchron " " Kewl Tune Synchro " " King's Synchro " " Meklord Emperor Wisel - Synchro Absorption " " Miracle Synchro Fusion " " Mono Synchron " " Necro Synchron " " Necroid Synchro " " Nitro Synchron " " One-Way Synchro " " Performapal Odd-Eyes Synchron " " Quickdraw Synchron " " Revolution Synchron " " Road Synchron " " Rokket Synchron " " Satellite Synchron " " Scrap Synchron " " Speedroid Wing Synchron " " Stardust Synchron " " Starjunk Synchron " " Steam Synchron " " Supreme King Z-ARC - Synchro Universe " " Synchro Barrier " " Synchro Boost " " Synchro Call " " Synchro Change " " Synchro Chase " " Synchro Control " " Synchro Cracker " " Synchro Creed " " Synchro Deflector " " Synchro Dilemma " " Synchro Ejection " " Synchro Emergency " " Synchro Fellowship " " Synchro Forceback " " Synchro Fusionist " " Synchro Gift " " Synchro Magnet " " Synchro Material " " Synchro Overtake " " Synchro Overtop "

This includes tokens, copies, and whatever else you can generate, and that makes it very easy to kill off everyone