Naganadel @ Focus Sash  
Ability: Beast Boost  
EVs: 4 HP / 252 SpA / 252 Spe  
Modest Nature  
IVs: 0 Atk  
- Spikes  
- Toxic Spikes  
- Tailwind  
- Draco Meteor  

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

Calyrex-Shadow @ Focus Sash  
Ability: As One (Spectrier)  
EVs: 4 HP / 252 SpA / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Astral Barrage  
- Psyshock  
- Dark Pulse  
- Substitute  

Pheromosa @ Focus Sash  
Ability: Beast Boost  
EVs: 4 HP / 252 Atk / 252 Spe  
Jolly Nature  
- Rapid Spin  
- Close Combat  
- Triple Axel  
- Throat Chop  

Eternatus @ Power Herb  
Ability: Pressure  
EVs: 252 SpA / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Meteor Beam  
- Dynamax Cannon  
- Sludge Wave  
- Flamethrower  

Xerneas @ Power Herb  
Ability: Fairy Aura  
EVs: 4 HP / 252 SpA / 252 Spe  
Modest Nature  
IVs: 0 Atk  
- Geomancy  
- Moonblast  
- Focus Blast  
- Thunder