Tyranitar @ Choice Scarf  
Ability: Sand Stream  
EVs: 8 HP / 208 Atk / 40 Def / 252 Spe  
Jolly Nature  
- Rock Slide / Stone Edge / Ice Punch 
- Pursuit  
- Foul Play / Crunch
- Earthquake  

Alternate (Tyranitar) @ Choice Scarf  
Ability: Sand Stream  
EVs: 72 HP / 56 Atk / 128 SpD / 252 Spe  
Jolly Nature  
- Rock Slide  
- Pursuit  
- Foul Play  
- Earthquake