Mega Beedrill team got to 1600s pretty quick on my alt. It's all about hazard stacking and using Ruination + Nature's Madness to get Pokemon within Fell Stinger Range for Beedrill to then sweep. Fini also traps mons like Ferrothorn and Toxapex that Bee can't break. Z-Blaziken is also very fun to sweep/break with.
Mega Beedrill Hazard Stack https://pokepast.es/b5a3b9ed1d20f16a
1620 - https://replay.pokemonshowdown.com/gen9nationaldex-2339824832
Beedrill 1v5 reverse sweep - https://replay.pokemonshowdown.com/gen9nationaldex-2339815814
Chicken 6-0 - https://replay.pokemonshowdown.com/gen9nationaldex-2339808054-hejxgom0a6tkpr2wt3x37lhl2xwfybspw
Mega Beedrill Hazard Stack https://pokepast.es/b5a3b9ed1d20f16a
1620 - https://replay.pokemonshowdown.com/gen9nationaldex-2339824832
Beedrill 1v5 reverse sweep - https://replay.pokemonshowdown.com/gen9nationaldex-2339815814
Chicken 6-0 - https://replay.pokemonshowdown.com/gen9nationaldex-2339808054-hejxgom0a6tkpr2wt3x37lhl2xwfybspw



Zac is Tera Ground Blast for Pdon.
Lunala is OTR for Ditto and opposing Offense. Terapagos is there for spin and and emergency check to anything if Deo S prevented hazards.