AV Ttar (Tyranitar) @ Assault Vest  
Ability: Sand Stream  
Level: 50  
EVs: 252 HP / 4 Atk / 252 SpD  
Careful Nature  
- Stone Edge / Rock Tomb 
- Earthquake  
- Fire Punch / Foul Play 
- Crunch / Pursuit 

Smooth Rock (Tyranitar) @ Smooth Rock  
Ability: Sand Stream  
Level: 50  
EVs: 252 HP / 28 Def / 92 SpA / 108 SpD / 28 Spe  
Relaxed Nature  
- Ice Beam  
- Roar / Flamethrower / Earthquake / Crunch / Pursuit 
- Stealth Rock  
- Rock Tomb / Stone Edge
There are a lot of Smooth rock spreads, this one lives two +1 DEs from mega salamence as well as most EQs, two tapu fini Moonblasts

DD + Z (Tyranitar) @ Rockium Z  
Ability: Sand Stream  
Level: 50  
EVs: 252 Atk / 4 SpD / 252 Spe  
Jolly Nature  
- Stone Edge  
- Dragon Dance  
- Fire Punch / Ice Punch / Earthquake  
- Crunch  
Generally rockium or darkinium, adamant or bulkier spreads can be run, but most common is just max max jolly for speed