Necrozma-Dusk-Mane @ Leftovers  
Ability: Prism Armor  
EVs: 200 HP / 188 SpD / 120 Spe  
Careful Nature  
- Iron Head  
- Thunder Wave  
- Stealth Rock  
- Morning Sun  

Yveltal @ Heavy-Duty Boots  
Ability: Dark Aura  
EVs: 16 HP / 240 SpD / 252 Spe  
Jolly Nature  
- Knock Off  
- Sucker Punch  
- Roost  
- Defog  

Eternatus @ Heavy-Duty Boots  
Ability: Pressure  
EVs: 248 HP / 124 SpD / 136 Spe  
Timid Nature  
IVs: 0 Atk  
- Dynamax Cannon  
- Mystical Fire  
- Toxic  
- Recover  

Buzzwole @ Choice Band  
Ability: Beast Boost  
EVs: 148 HP / 252 Atk / 108 Spe  
Adamant Nature  
- Close Combat  
- Ice Punch  
- Stone Edge  
- Roost  

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

Reshiram @ Heavy-Duty Boots  
Ability: Turboblaze  
EVs: 252 Atk / 4 SpD / 252 Spe  
Jolly Nature  
- Dragon Dance  
- Flare Blitz  
- Outrage  
- Stone Edge