Porygon2 @ Eviolite  
Ability: Download  
EVs: 248 HP / 40 Def / 156 SpA / 64 SpD  
Quiet Nature  
IVs: 0 Spe  
- Ice Beam  
- Thunderbolt  
- Recover  
- Trick Room  

Diancie @ Weakness Policy  
Ability: Clear Body  
EVs: 252 HP / 152 Atk / 104 SpA  
Sassy Nature  
IVs: 0 Spe  
- Diamond Storm  
- Moonblast  
- Trick Room  
- Protect  

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

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  

Rillaboom @ Assault Vest  
Ability: Grassy Surge  
EVs: 248 HP / 112 Atk / 112 SpD / 36 Spe  
Adamant Nature  
- Fake Out  
- Grassy Glide  
- Knock Off  
- U-turn  

Dragapult @ Life Orb  
Ability: Infiltrator  
EVs: 252 SpA / 4 SpD / 252 Spe  
Modest Nature  
- Draco Meteor  
- Shadow Ball  
- Thunderbolt  
- U-turn