Tapu Tundra (Tapu Koko) @ Terrain Extender  
Ability: Electric Surge  
EVs: 252 Atk / 4 SpD / 252 Spe  
Jolly Nature  
- Wild Charge  
- Roost  
- Play Rough  
- U-turn  

Thundurus-Blunder (Thundurus-Therian) @ Heavy-Duty Boots  
Ability: Volt Absorb  
EVs: 252 SpA / 4 SpD / 252 Spe  
Hasty Nature  
- Rising Voltage  
- Focus Blast  
- U-turn  
- Nasty Plot  

Ditto @ Choice Scarf  
Ability: Imposter  
EVs: 252 HP  
IVs: 30 Atk  
- Transform  

Diarrhea (Diancie) @ Light Clay  
Ability: Clear Body  
EVs: 248 HP / 252 Def / 8 SpD  
Careful Nature  
IVs: 0 Atk  
- Body Press  
- Light Screen  
- Stealth Rock  
- Reflect  

Excadrill (F) @ Focus Sash  
Ability: Mold Breaker  
EVs: 252 Atk / 4 SpD / 252 Spe  
Jolly Nature  
- Rapid Spin  
- Earthquake  
- Iron Head  
- Swords Dance  

Stakatakatakataka (Stakataka) @ Iron Ball  
Ability: Beast Boost  
EVs: 252 Atk / 252 Def  
Relaxed Nature  
IVs: 0 Spe  
- Body Press  
- Gyro Ball  
- Iron Defense  
- Heat Crash