Hippowdon @ Rocky Helmet  
Ability: Sand Stream  
EVs: 252 HP / 252 Def / 4 SpD  
Impish Nature  
- Earthquake  
- Stealth Rock  
- Whirlwind  
- Slack Off  

Excadrill @ Leftovers  
Ability: Sand Rush  
EVs: 220 Atk / 36 Def / 252 Spe  
Adamant Nature  
- Swords Dance  
- Earthquake  
- Rapid Spin  
- Rock Slide  

Skarmory @ Shed Shell  
Ability: Sturdy  
EVs: 248 HP / 244 Def / 16 Spe  
Bold Nature  
IVs: 0 Atk  
- Spikes  
- Roost  
- Whirlwind  
- Counter  

Tyranitar @ Roseli Berry  
Ability: Sand Stream  
EVs: 248 HP / 12 Atk / 16 Def / 216 SpD / 12 Spe  
Careful Nature  
- Rock Slide  
- Foul Play  
- Rest  
- Roar  

Xerneas @ Leftovers  
Ability: Fairy Aura  
EVs: 252 HP / 192 Def / 64 Spe  
Bold Nature  
IVs: 0 Atk  
- Moonblast  
- Rest  
- Sleep Talk  
- Aromatherapy  

Eternatus @ Black Sludge  
Ability: Pressure  
EVs: 248 HP / 236 SpD / 24 Spe  
Timid Nature  
- Mystical Fire  
- Recover  
- Dragon Tail  
- Toxic