Giratina-Origin @ Griseous Orb  
Ability: Levitate  
EVs: 236 Atk / 96 SpA / 176 Spe  
Naughty Nature  
- Poltergeist  
- Stone Edge  
- Draco Meteor  
- Shadow Sneak  

Ho-Oh @ Heavy-Duty Boots  
Ability: Regenerator  
EVs: 248 HP / 208 Def / 52 SpD  
Impish Nature  
- Sacred Fire  
- Defog  
- Thunder Wave  
- Brave Bird  

Yveltal @ Heavy-Duty Boots  
Ability: Dark Aura  
EVs: 248 HP / 72 Def / 124 SpD / 64 Spe  
Careful Nature  
- Foul Play  
- U-turn  
- Defog  
- Roost  

Eternatus @ Heavy-Duty Boots  
Ability: Pressure  
EVs: 48 HP / 80 SpA / 252 SpD / 128 Spe  
Timid Nature  
IVs: 0 Atk  
- Sludge Bomb  
- Dynamax Cannon  
- Flamethrower  
- Recover  

Necrozma-Dusk-Mane @ Shed Shell  
Ability: Prism Armor  
EVs: 252 HP / 136 SpD / 120 Spe  
Careful Nature  
- Stealth Rock  
- Toxic  
- Sunsteel Strike  
- Moonlight  

Kyogre @ Leftovers  
Ability: Drizzle  
EVs: 236 HP / 176 Def / 96 Spe  
Bold Nature  
IVs: 0 Atk  
- Scald  
- Calm Mind  
- Ice Beam  
- Thunder Wave