The Forbidden/Limited list for this event looks as follows: All Fusion Monsters All Xyz Monsters All Link Monsters Altergeist Multifaker Archlord Kristya Artifact Scythe Contact C Darklord Nurse Reficule Dragon Buster Destruction Sword Dogmatika Ecclesia, the Virtuous Eater of Millions Eldlich the Golden Lord Exodia the Forbidden One Fossil Dyna Pachycephalo Garbage Lord Ghostrick Skeleton Giant Kozaky Gizmek Orochi, the Serpentron Sky Slasher Gnomaterial Gundari Inspector Boarder Jowgen the Spiritualist Knightmare corruptor Iblee Malevolent Mech Goku En Subterror Guru Vanitys Fiend Vanitys Ruler Zaborg the Mega Monarch Zap Mustung Zefraath Dark Higlander Amorphactor Pain, the Imagination Dracoverlord Blue-Eyes Chaos MAX Dragon Cyber Angel Benten Drytron Meteonis Draconids Evigishki Gustkraken Gishki Zielgigas Herald of Perfection Herald of Ultimateness Nekroz of Unicore Chain Strike Domain of the True Monarchs Final Countdown Intercept Wave Interrupted Kaiju Slumber Jackpot 7 Lair of Darkness Nadir Servant Nekroz Kaleidoscope Performapal Popperup Pot of Extravagance Pot of Prosperity Star Blast The Monarchs Stormforth Soundproofed Synchro Control White Veil Appointer of the Red Lotus Bad Reaction to Simochi Banquet of Millions Chain Burst D.D

Were going to save you the decades worth of experimentation that went into developing these by outlining a few of the more popular techniques in the following shiny capture tutorial section
SR Super Rare UR Ultra Rare SE Secret Rare UL Ultimate Rare PS Platinum Secret Rare CR COLLECTOR'S RARE QCSE Quarter Century Secret Rare Shaddoll Schism X TRAP Continuous During the Main Phase, you can: Fusion Summon 1 "Shaddoll" Fusion Monster from your Extra Deck, by banishing Fusion Materials mentioned on it from your field or GY, but it cannot attack directly
If everything goes perfectly, you should almost completely shut everyone else down to the point of barely being able to drop a land a turn, while simultaneously hoarding as much mana as possible for an explosive finish with a number of options
While Sephara may not be game-ending in its own right, coming down quickly and protecting your board of evasive creatures is nothing to scoff at