Tapu Fini @ Choice Specs  
Ability: Misty Surge  
EVs: 232 HP / 24 Def / 252 SpA  
Quiet Nature  
IVs: 0 Atk / 0 Spe  
- Moonblast  
- Hydro Pump  
- Muddy Water  
- Dazzling Gleam  

Diancie @ Leftovers  
Ability: Clear Body  
EVs: 252 HP / 252 Atk / 4 SpD  
Sassy Nature  
IVs: 0 Spe  
- Diamond Storm  
- Body Press  
- Trick Room  
- Protect  

Tsareena (F) @ Choice Band  
Ability: Queenly Majesty  
EVs: 128 HP / 252 Atk / 128 Def  
Brave Nature  
IVs: 0 Spe  
- Grassy Glide  
- U-turn  
- Triple Axel  
- Knock Off  

Rillaboom @ Assault Vest  
Ability: Grassy Surge  
EVs: 252 HP / 220 Atk / 36 Def  
Brave Nature  
IVs: 0 Spe  
- Fake Out  
- Grassy Glide  
- U-turn  
- High Horsepower  

Volcanion @ Safety Goggles  
Ability: Water Absorb  
EVs: 252 HP / 252 SpA / 4 SpD  
Quiet Nature  
IVs: 0 Atk / 0 Spe  
- Heat Wave  
- Steam Eruption  
- Protect  
- Sludge Bomb  

Mew @ Sitrus Berry  
Ability: Synchronize  
EVs: 252 HP / 60 Def / 196 SpA  
Quiet Nature  
IVs: 0 Spe  
- Fake Out  
- Trick Room  
- Ice Beam  
- Earth Power