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

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

Rillaboom @ Assault Vest  
Ability: Grassy Surge  
EVs: 224 HP / 252 Atk / 32 Spe  
Adamant Nature  
IVs: 0 SpA  
- Fake Out  
- Grassy Glide  
- U-turn  
- Knock Off  

Mew @ Expert Belt  
Ability: Synchronize  
EVs: 4 HP / 252 SpA / 252 Spe  
Timid Nature  
- Fake Out  
- Psychic  
- Ice Beam  
- Earth Power  

Landorus (M) @ Life Orb  
Ability: Sheer Force  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Earth Power  
- Sludge Bomb  
- Psychic  
- Protect  

Dragapult @ Choice Specs  
Ability: Clear Body  
EVs: 252 SpA / 4 SpD / 252 Spe  
Modest Nature  
- Draco Meteor  
- Shadow Ball  
- Flamethrower  
- U-turn