Arceus-Water @ Splash Plate  
Ability: Multitype  
EVs: 252 HP / 252 Def / 4 Spe  
Bold Nature  
IVs: 0 Atk  
- Judgment  
- Ice Beam  
- Recover  
- Defog  

Mandibuzz @ Sablenite  
Ability: Overcoat  
EVs: 248 HP / 96 Def / 164 SpD  
Relaxed Nature  
IVs: 0 Spe  
- Foul Play  
- U-turn  
- Toxic  
- Roost  

Tyranitar @ Metagrossite  
Ability: Sand Stream  
EVs: 4 HP / 252 Atk / 252 Spe  
Jolly Nature  
- Stealth Rock  
- Stone Edge  
- Pursuit  
- Superpower  

Groudon-Primal @ Red Orb  
Ability: Desolate Land  
EVs: 4 Atk / 252 SpA / 252 Spe  
Naive Nature  
- Swords Dance  
- Precipice Blades  
- Eruption  
- Smack Down  

Magearna @ Manectite  
Ability: Soul-Heart  
EVs: 248 HP / 212 Def / 48 SpA  
Modest Nature  
IVs: 0 Atk  
- Calm Mind  
- Fleur Cannon  
- Pain Split  
- Thunderbolt  

Zygarde @ Altarianite  
Ability: Aura Break  
EVs: 176 HP / 252 Atk / 4 SpD / 76 Spe  
Adamant Nature  
- Dragon Dance  
- Return  
- Thousand Arrows  
- Extreme Speed