Tyranitar @ Smooth Rock  
Ability: Sand Stream  
EVs: 252 HP / 52 Def / 56 SpA / 148 SpD  
Sassy Nature  
- Stealth Rock  
- Pursuit  
- Crunch  
- Ice Beam  

Steelix-Mega @ Steelixite  
Ability: Sand Force  
EVs: 252 HP / 252 Atk / 4 SpD  
Brave Nature  
IVs: 0 Spe  
- Earthquake  
- Gyro Ball  
- Stone Edge  
- Curse  

Excadrill @ Rockium Z  
Ability: Sand Rush  
EVs: 252 Atk / 4 Def / 252 Spe  
Jolly Nature  
- Earthquake  
- Iron Head  
- Rock Slide  
- Swords Dance  

Tapu Fini @ Leftovers  
Ability: Misty Surge  
EVs: 252 HP / 12 Def / 52 SpD / 192 Spe  
Calm Nature  
IVs: 0 Atk  
- Scald  
- Defog  
- Moonblast  
- Taunt  

Tangrowth @ Rocky Helmet  
Ability: Regenerator  
EVs: 252 HP / 252 Def / 4 SpD  
Relaxed Nature  
- Sleep Powder  
- Giga Drain  
- Knock Off  
- Hidden Power [Fire]  

Thundurus (M) @ Heavy-Duty Boots  
Ability: Prankster  
EVs: 4 Def / 252 SpA / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Nasty Plot  
- Thunderbolt  
- Hidden Power [Ice]  
- Focus Blast