Blissey (F) @ Heavy-Duty Boots  
Ability: Serene Grace  
EVs: 252 HP / 252 Def / 4 SpD  
Bold Nature  
IVs: 30 Spe  
- Stealth Rock  
- Seismic Toss  
- Soft-Boiled  
- Teleport  

Ditto @ Choice Scarf  
Ability: Imposter  
EVs: 248 HP / 8 Atk / 252 Def  
Impish Nature  
IVs: 30 Atk  
- Transform  

Porygon2 @ Eviolite  
Ability: Download  
EVs: 252 HP / 252 Def / 4 SpA  
Bold Nature  
IVs: 0 Atk  
- Recover  
- Discharge  
- Ice Beam  
- Teleport  

Heliolisk @ Heavy-Duty Boots  
Ability: Dry Skin  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Thunderbolt  
- Grass Knot  
- Glare  
- Substitute  

Diggersby @ Choice Band  
Ability: Huge Power  
EVs: 252 Atk / 4 SpD / 252 Spe  
Adamant Nature  
- Earthquake  
- Fire Punch  
- U-turn  
- Quick Attack  

Bewear @ Heavy-Duty Boots  
Ability: Fluffy  
EVs: 76 Atk / 252 Def / 180 Spe  
Impish Nature  
- Bulk Up  
- Darkest Lariat  
- Drain Punch  
- Substitute