Tyranitar @ Leftovers  
Ability: Regenerator / Bulletproof
EVs: 252 HP / 4 Def / 252 SpD  
Careful Nature  
- Stealth Rock  
- Rock Blast / Rock Slide / Stone Edge  
- Thunder Wave / Body Press 
- Earthquake / Thunder Wave 

Tyranitar @ Choice Band  
Ability: Regenerator  
EVs: 204 HP / 252 Atk / 52 Spe  
Adamant Nature  
- Stone Edge  
- Crunch  
- Fire Punch  
- Ice Punch