Porygon2 @ Eviolite  
Ability: Download  
EVs: 252 HP / 16 Def / 132 SpA / 108 SpD  
Quiet Nature  
IVs: 0 Atk / 0 Spe  
- Ice Beam  
- Thunderbolt  
- Recover  
- Trick Room  

Diancie @ Weakness Policy  
Ability: Clear Body  
EVs: 252 HP / 252 Atk / 4 Def  
Sassy Nature  
IVs: 0 Spe  
- Diamond Storm  
- Moonblast  
- Trick Room  
- Protect  

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

Rillaboom @ Assault Vest  
Ability: Grassy Surge  
EVs: 252 HP / 56 Atk / 192 SpD / 8 Spe  
Adamant Nature  
- Fake Out  
- Grassy Glide  
- U-turn  
- Wood Hammer  

Landorus-Therian (M) @ Choice Scarf  
Ability: Intimidate  
EVs: 252 HP / 40 Def / 60 SpD / 156 Spe  
Timid Nature  
- Earth Power  
- U-turn  
- Toxic  
- Scary Face  

Dragapult @ Choice Specs  
Ability: Infiltrator  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Draco Meteor  
- Shadow Ball  
- Hydro Pump  
- Thunderbolt