Gaggron (Aggron) @ Altarianite  
Ability: Sturdy  
EVs: 252 HP / 4 Atk / 252 SpD  
- Stealth Rock  
- Earthquake  
- Return  
- Rest  

Guzzler (Guzzlord) @ Sablenite  
Ability: Beast Boost  
EVs: 4 Atk / 252 Def / 252 SpD  
Impish Nature  
- Payback  
- Dragon Tail  
- Toxic  
- Rest  

Phione @ Latiasite  
Ability: Hydration  
EVs: 252 HP / 128 Def / 128 SpD  
Sassy Nature  
- U-turn  
- Heal Bell  
- Protect  
- Whirlpool