Giratina-Origin @ Griseous Orb  
Ability: Levitate  
EVs: 170 HP / 144 Atk / 56 Def / 84 SpD / 56 Spe  
Adamant Nature  
- Poltergeist  
- Shadow Sneak  
- Dragon Claw  
- Tailwind  

Tapu Koko @ Focus Sash  
Ability: Electric Surge  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Thunderbolt  
- Taunt  
- Dazzling Gleam  
- Protect  

Groudon @ Assault Vest  
Ability: Drought  
EVs: 240 HP / 176 Atk / 34 SpD / 60 Spe  
Adamant Nature  
- Precipice Blades  
- Rock Slide  
- Fire Punch  
- Thunder Punch  

Kyogre @ Life Orb  
Ability: Drizzle  
EVs: 184 HP / 10 Def / 252 SpA / 64 Spe  
Modest Nature  
IVs: 0 Atk  
- Origin Pulse  
- Ice Beam  
- Thunder  
- Protect  

Raichu-Alola @ Focus Sash  
Ability: Surge Surfer  
EVs: 4 Atk / 252 SpA / 252 Spe  
Mild Nature  
- Rising Voltage  
- Fake Out  
- Psychic  
- Electroweb  

Necrozma-Dusk-Mane @ Weakness Policy  
Ability: Prism Armor  
EVs: 252 HP / 84 Atk / 60 Def / 114 SpD  
Brave Nature  
IVs: 25 Spe  
- Sunsteel Strike  
- Earthquake  
- Swords Dance  
- Trick Room