Lugia @ Heavy-Duty Boots  
Ability: Multiscale  
EVs: 252 HP / 52 Def / 204 Spe  
Bold Nature  
IVs: 0 Atk  
- Ice Beam  
- Whirlwind  
- Defog  
- Roost  

Yveltal @ Heavy-Duty Boots  
Ability: Dark Aura  
EVs: 252 HP / 4 Def / 252 SpD  
Careful Nature  
- Knock Off  
- U-turn  
- Defog  
- Roost  

Necrozma-Dusk-Mane @ Rocky Helmet  
Ability: Prism Armor  
EVs: 252 HP / 252 Def / 4 SpD  
Impish Nature  
- Stealth Rock  
- Sunsteel Strike  
- Morning Sun  
- Knock Off  

Eternatus @ Black Sludge  
Ability: Pressure  
EVs: 252 HP / 212 SpD / 44 Spe  
Calm Nature  
- Dynamax Cannon  
- Flamethrower  
- Toxic Spikes  
- Recover  

Ho-Oh @ Choice Band  
Ability: Regenerator  
EVs: 180 HP / 252 Atk / 76 Spe  
Adamant Nature  
- Brave Bird  
- Sacred Fire  
- Earthquake  
- Defog  

Zacian-Crowned @ Rusted Sword  
Ability: Intrepid Sword  
EVs: 4 HP / 252 Atk / 252 Spe  
Adamant Nature  
- Play Rough  
- Wild Charge  
- Close Combat  
- Assurance