Tyranitar @ Chople Berry  
Ability: Sand Stream  
EVs: 48 HP / 252 Atk / 4 SpD / 204 Spe  
Adamant Nature  
- Stealth Rock  
- Sucker Punch  
- Knock Off  
- Head Smash / Stone Edge / Rock Slide / Rock Tomb

Tyranitar @ Choice Band  
Ability: Sand Stream  
EVs: 48 HP / 252 Atk / 4 SpD / 204 Spe OR 248 HP / 252 Atk / 8 SpD  
Adamant Nature  
- Accelerock  
- Knock Off  
- Earthquake 
- Head Smash / Stone Edge