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

Zygarde @ Leftovers  
Ability: Power Construct  
EVs: 16 HP / 220 Atk / 36 Def / 236 Spe  
Impish Nature  
- Dragon Dance  
- Substitute  
- Toxic  
- Thousand Arrows  

Necrozma-Dusk-Mane @ Leftovers  
Ability: Prism Armor  
EVs: 252 HP / 252 Def / 4 Spe  
Impish Nature  
- Stealth Rock  
- Morning Sun  
- Sunsteel Strike  
- Earthquake  

Yveltal @ Heavy-Duty Boots  
Ability: Dark Aura  
EVs: 72 HP / 252 SpD / 184 Spe  
Timid Nature  
IVs: 0 Atk  
- Snarl  
- Roost  
- Defog  
- Foul Play  

Eternatus @ Black Sludge  
Ability: Pressure  
EVs: 236 HP / 180 SpD / 92 Spe  
Timid Nature  
IVs: 0 Atk  
- Toxic  
- Dynamax Cannon  
- Mystical Fire  
- Recover  

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