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: 248 HP / 252 Def / 8 Spe  
Impish Nature  
- Reflect  
- Light Screen  
- Taunt  
- Spirit Break  

Eternatus @ Black Sludge  
Ability: Pressure  
EVs: 230 HP / 252 Def / 28 Spe  
Bold Nature  
- Recover  
- Flamethrower  
- Toxic  
- Dragon Tail  

Ferrothorn @ Shed Shell  
Ability: Iron Barbs  
EVs: 248 HP / 8 Atk / 252 Def  
Relaxed Nature  
- Stealth Rock  
- Spikes  
- Knock Off  
- Thunder Wave  

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

Gothitelle @ Leftovers  
Ability: Shadow Tag  
EVs: 248 HP / 252 Def / 8 Spe  
Bold Nature  
IVs: 0 Atk  
- Cosmic Power  
- Nasty Plot  
- Rest  
- Stored Power