(Realistically, its not sweeping flying/dark as Fly usually should have a scarfer/steel birb, while Dark has Weavile + Scarfer. Dazzling Gleam is used to OHKO Galarian Moltres and proceed to reverse sweep most Flying and Dark teams at +4. Also its Reverse sweep, not revenge sweep iirc) Psych Up into Psyshock allows it to OHKO Volcarona after it has set up. (If possible, condense the first 2 sentences. Using this set, Alakazam is psyched up to revenge sweep! Psych Up allows Alakazam to copy the boosts of threatening sweepers such as Volcarona and Galarian Moltres. Slowbro in particular is a great teammate, as it can pivot in safely on foes that use multi-hit moves such as Urshifu-R and Weavile. Slowbro and Galarian Slowking give the team means to deal with faster foes like Choice Scarf Heatran, Choice Scarf Excadrill, and Choice Scarf Urshifu-R.
Victini can handle Aegislash, wear down Heatran, and safely pivot Alakazam onto the field. Tapu Lele is a great teammate for Alakazam preventing threats such as Bisharp and Mamoswine from revenge killing it and checking Dark-types such as Hydreigon. Focus Sash makes it an emergency out against foes like Regieleki and Gengar. Focus Blast beats Steel- and Dark-types such as Bisharp and Zarude one-on-one. Dazzling Gleam OHKOes Galarian Moltres at +4. Psych Up into Psyshock allows it to OHKO Volcarona boosted to +2. Alakazam is psyched up to reverse sweep! Psych Up allows Alakazam to copy the boosts of threatening sweepers such as Volcarona and Galarian Moltres.