Ho-Oh @ Heavy-Duty Boots  
Ability: Regenerator  
EVs: 248 HP / 252 Def / 8 SpD  
Impish Nature  
- Sacred Fire  
- Earthquake  
- Defog  
- Will-O-Wisp  

Calyrex-Shadow @ Life Orb  
Ability: As One  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Astral Barrage  
- Psyshock  
- Giga Drain  
- Calm Mind  

Regieleki @ Choice Specs  
Ability: Transistor  
EVs: 4 Atk / 252 SpA / 252 Spe  
Hasty Nature  
- Volt Switch  
- Rising Voltage  
- Thunderbolt  
- Extreme Speed  

Tapu Koko @ Terrain Extender  
Ability: Electric Surge  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
- Taunt  
- Discharge  
- Grass Knot  
- U-turn  

Dialga @ Assault Vest  
Ability: Pressure  
EVs: 252 HP / 252 SpD  
Calm Nature  
IVs: 0 Atk  
- Stealth Rock  
- Thunder  
- Earth Power  
- Toxic  

Kyogre @ Choice Scarf  
Ability: Drizzle  
EVs: 4 Atk / 252 SpA / 252 Spe  
Hasty Nature  
IVs: 0 Atk  
- Water Spout  
- Origin Pulse  
- Ice Beam  
- Thunder