Kartana @ Normalium Z / Steelium Z
Ability: Beast Boost  
EVs: 252 Atk / 4 SpD / 252 Spe  
Jolly Nature  
- Leaf Blade  
- Sacred Sword  
- Giga Impact / Smart Strike
- Swords Dance

Tyranitar-Mega @ Tyranitarite  
Ability: Sand Stream  
EVs: 168 HP / 252 Atk / 88 Spe  
Adamant Nature  
- Stone Edge  
- Pursuit  
- Earthquake / Fire Punch
- Stealth Rock

OR

Tyranitar @ Assault Vest
Ability: Sand Stream
EVs: 224 HP / 32 Atk / 252 SpD
Careful Nature
- Rock Slide
- Crunch
- Pursuit
- Earthquake