Blacephalon @ Rock Incense  
Ability: Beast Boost  
EVs: 4 Atk / 252 SpA / 252 Spe  
Hasty Nature  
- Fire Blast  
- Shadow Ball  
- Psyshock  
- Rock Blast  

Yveltal @ Choice Scarf  
Ability: Dark Aura  
EVs: 252 Atk / 4 SpA / 252 Spe  
Lonely Nature  
- Defog  
- Knock Off  
- Oblivion Wing  
- Sucker Punch  

Necrozma-Dusk-Mane @ Leftovers  
Ability: Prism Armor  
EVs: 252 HP / 4 Atk / 252 Def  
Impish Nature  
- Stealth Rock  
- Morning Sun  
- Earthquake  
- Thunder Wave  

Eternatus @ Heavy-Duty Boots  
Ability: Pressure  
EVs: 252 HP / 200 Def / 56 Spe  
Timid Nature  
IVs: 0 Atk  
- Dynamax Cannon  
- Mystical Fire  
- Toxic  
- Recover  

Moltres @ Heavy-Duty Boots  
Ability: Flame Body  
EVs: 252 SpA / 4 SpD / 252 Spe  
Modest Nature  
IVs: 0 Atk  
- Fire Blast  
- Scorching Sands  
- Hurricane  
- Roost  

Gastrodon @ Heavy-Duty Boots  
Ability: Storm Drain  
EVs: 252 HP / 4 SpA / 252 SpD  
Calm Nature  
IVs: 0 Atk  
- Scald  
- Toxic  
- Clear Smog  
- Recover