g1 ACII told me Custap Haxorus destroys him and it's heat so I'm gonna try it out
Haxorus @ Custap Berry  
Ability: Mold Breaker  
EVs: 252 Atk / 4 SpD / 252 Spe  
Adamant Nature  
- Endure  
- Outrage  
- Reversal  
- Swords Dance  

Genesect @ Choice Specs  
Ability: Download  
EVs: 220 Def / 40 SpA / 248 Spe  
Modest Nature  
IVs: 0 Atk  
- Bug Buzz  
- Flash Cannon  
- Ice Beam  
- Thunderbolt  

Mew @ Psychic Gem  
Ability: Synchronize  
EVs: 240 HP / 252 SpA / 16 Spe  
Modest Nature  
IVs: 0 Atk  
- Nasty Plot  
- Psychic  
- Fire Blast  
- Earth Power  

g2 hariyama + ttar is a God-core, and Mew is there as glue for some MUs (also beats all Pressure)
Hariyama @ Flame Orb  
Ability: Guts  
EVs: 136 Atk / 236 Def / 136 SpD  
Adamant Nature  
- Fake Out  
- Close Combat  
- Ice Punch  
- Facade  

Tyranitar @ Choice Band  
Ability: Sand Stream  
EVs: 252 HP / 252 Atk  
Adamant Nature  
- Crunch  
- Stone Edge  
- Superpower  
- Fire Punch  

Mew @ Choice Scarf  
Ability: Synchronize  
EVs: 144 HP / 252 SpA / 112 Spe  
Modest Nature  
IVs: 0 Atk  
- Psychic  
- Thunderbolt  
- Earth Power  
- Shadow Ball  

g3 cottonee broken and Alakazam is unprepped for, so the 3rd mon barely even matters I'm mostly gonna pick cottonee anyway
Alakazam @ Leftovers  
Ability: Magic Guard  
EVs: 4 HP / 252 Def / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Protect  
- Encore  
- Disable  
- Recover  

Cottonee @ Eviolite  
Ability: Prankster  
EVs: 248 HP / 168 Def / 92 SpD  
Bold Nature  
IVs: 0 Atk  
- Leech Seed  
- Protect  
- Substitute  
- Taunt  

Victini @ Choice Band  
Ability: Victory Star  
EVs: 252 Atk / 4 SpD / 252 Spe  
Jolly Nature  
- V-create  
- Zen Headbutt  
- Brick Break  
- Trick  

g4 cottonee again, broken. Sawk beats Gene and Heatran, Rotom-wash beats most fire types and reliably beats all Manaphy sets
Cottonee @ Eviolite  
Ability: Prankster  
EVs: 248 HP / 168 Def / 92 SpD  
Bold Nature  
IVs: 0 Atk  
- Leech Seed  
- Protect  
- Substitute  
- Taunt  

Sawk (M) @ Choice Band  
Ability: Sturdy  
EVs: 252 Atk / 252 Spe  
Adamant Nature  
- Close Combat  
- Earthquake  
- Fire Punch  
- Ice Punch  

Rotom-Wash @ Choice Specs  
Ability: Levitate  
EVs: 252 HP / 252 SpA / 4 SpD  
Modest Nature  
IVs: 2 Atk / 30 Def  
- Hydro Pump  
- Thunderbolt  
- Hidden Power [Ice]  
- Shadow Ball  

g5 finally of course I also use pressure stall. Aero is the most underrated pressure staller imo, + that Dragonite set baits in Raikou and beats all Pressure. Jirachi haxes and beats Kyub.
Aerodactyl @ Leftovers  
Ability: Pressure  
EVs: 248 HP / 8 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Protect  
- Substitute  
- Taunt  
- Roost  

Dragonite @ Life Orb  
Ability: Multiscale  
EVs: 60 HP / 252 Atk / 20 SpD / 176 Spe  
Jolly Nature  
- Earthquake  
- Outrage  
- Extreme Speed  
- Thunder Punch  

Jirachi @ Choice Scarf  
Ability: Serene Grace  
EVs: 252 Atk / 4 SpD / 252 Spe  
Adamant Nature  
- Iron Head  
- Zen Headbutt  
- Fire Punch  
- Ice Punch