Mew @ Focus Sash  
Ability: Synchronize  
EVs: 4 Def / 252 SpA / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Stealth Rock  
- Spikes  
- Taunt  
- Misty Explosion  

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

Calyrex-Shadow @ Choice Specs  
Ability: As One (Spectrier)  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Astral Barrage  
- Psyshock  
- Trick  
- Draining Kiss  

Zacian-Crowned @ Rusted Sword  
Ability: Intrepid Sword  
EVs: 160 Atk / 96 SpD / 252 Spe  
Adamant Nature  
- Behemoth Blade  
- Close Combat  
- Assurance  
- Wild Charge  

Dialga @ Shuca Berry  
Ability: Pressure  
EVs: 244 HP / 4 Def / 252 SpA  
Modest Nature  
IVs: 0 Atk  
- Draco Meteor  
- Fire Blast  
- Thunder  
- Dragon Pulse  

Regieleki @ Light Clay  
Ability: Transistor  
EVs: 160 HP / 252 SpA / 96 Spe  
Modest Nature  
IVs: 0 Atk  
- Thunder  
- Rapid Spin  
- Reflect  
- Light Screen