Stonjourner @ Life Orb or Rocky Helmet or Heavy Duty Boots 
Ability: Power Spot  
EVs: 252 Atk / 4 SpD / 252 Spe  
Jolly Nature  
- Stealth Rock  
- Stone Edge  
- Heat Crash  
- Earthquake  

Stonjourner @ Choice Scarf or Choice Band
Ability: Power Spot  
EVs: 252 Atk / 4 SpD / 252 Spe  
Jolly or Adamant Nature  
- Stone Edge  
- Heat Crash  
- Earthquake  
- Superpower  

Other options: Rock Polish