Ditto @ Choice Scarf  
Ability: Imposter  
EVs: 252 HP / 252 Atk / 4 Def  
Brave Nature  
IVs: 0 Atk  
- Transform  

Grimmsnarl (M) @ Light Clay  
Ability: Prankster  
EVs: 252 HP / 252 Def / 4 SpD  
Impish Nature  
IVs: 0 Atk  
- Reflect  
- Light Screen  
- Taunt  
- Wonder Room  

Zacian @ Rusted Sword  
Ability: Intrepid Sword  
EVs: 4 HP / 252 Atk / 252 Spe  
Adamant Nature  
- Behemoth Blade  
- Close Combat  
- Crunch  
- Wild Charge  

Polteageist @ White Herb  
Ability: Cursed Body  
EVs: 248 HP / 8 Def / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Substitute  
- Shell Smash  
- Baton Pass  
- Shadow Ball  

Ferrothorn @ Focus Sash  
Ability: Iron Barbs  
EVs: 248 HP / 8 Atk / 252 Def  
Relaxed Nature  
- Stealth Rock  
- Spikes  
- Power Whip  
- Thunder Wave  

Zacian @ Rusted Sword  
Ability: Intrepid Sword  
EVs: 4 HP / 252 Atk / 252 Spe  
Adamant Nature  
- Behemoth Blade  
- Close Combat  
- Wild Charge  
- Imprison