Melmetal @ Leftovers  
Ability: Iron Fist  
EVs: 252 Atk / 244 SpD / 12 Spe  
Adamant Nature  
- Double Iron Bash  
- Earthquake  
- King's Shield  
- Toxic  

Melmetal @ Choice Band  
Ability: Iron Fist  
EVs: 32 HP / 252 Atk / 224 Spe  
Adamant Nature  
- Double Iron Bash  
- Earthquake  
- Superpower  
- Bullet Punch