Kommo-o @ Salac Berry  
Ability: Bulletproof  
EVs: 4 HP / 252 Atk / 252 Spe  
Jolly Nature  
- Substitute  
- Belly Drum  
- Drain Punch  
- Thunder Punch  

Kommo-o @ Kommonium Z  
Ability: Bulletproof  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
- Clanging Scales  
- Drain Punch  
- Clangorous Soul  
- Flamethrower / Poison Jab

Kommo-o @ Leftovers  
Ability: Bulletproof  
EVs: 248 HP / 204 SpD / 56 Spe  
Careful Nature  
- Drain Punch  
- Stealth Rock  
- Toxic  
- Dragon Tail

And any set very simmilar to the one above