Magearna @ Sablenite  
Ability: Soul-Heart  
EVs: 252 HP / 4 Def / 252 SpD  
Sassy Nature  
IVs: 0 Atk / 0 Spe  
- Fleur Cannon  
- Volt Switch  
- Ice Beam  
- Pain Split  

Ho-Oh @ Heavy-Duty Boots  
Ability: Regenerator  
EVs: 248 HP / 208 Def / 52 SpD  
Impish Nature  
- Sacred Fire  
- Brave Bird  
- Defog  
- Whirlwind  

Rhyperior @ Tyranitarite  
Ability: Solid Rock  
EVs: 4 HP / 252 Atk / 252 SpD  
Adamant Nature  
- Swords Dance  
- Earthquake  
- Stone Edge  
- Stealth Rock  

Zygarde @ Altarianite  
Ability: Aura Break  
EVs: 208 HP / 252 Atk / 48 Spe  
Adamant Nature  
- Dragon Dance  
- Extreme Speed  
- Dragon Tail  
- Thousand Arrows  

Pheromosa @ Metagrossite  
Ability: Beast Boost  
EVs: 252 Atk / 4 SpD / 252 Spe  
Adamant Nature  
- U-turn  
- Close Combat  
- Triple Axel  
- Throat Chop  

Slowbro @ Manectite  
Ability: Regenerator  
EVs: 252 HP / 252 Def / 4 SpA  
Bold Nature  
IVs: 0 Atk  
- Scald  
- Ice Beam  
- Slack Off  
- Teleport