Tapu Koko @ Assault Vest  
Ability: Electric Surge  
EVs: 252 HP / 48 Def / 28 SpA / 72 SpD / 108 Spe  
Timid Nature  
- Sky Drop  
- Nature's Madness  
- Volt Switch  
- Dazzling Gleam  

Ludicolo @ Waterium Z  
Ability: Swift Swim  
Shiny: Yes  
EVs: 60 HP / 252 SpA / 196 Spe  
Timid Nature  
- Fake Out  
- Hydro Pump  
- Energy Ball  
- Ice Beam  

Gothitelle (F) @ Wiki Berry  
Ability: Shadow Tag  
EVs: 252 HP / 160 Def / 96 SpD  
Calm Nature  
IVs: 0 Atk  
- Psychic  
- Trick Room  
- Heal Pulse  
- Taunt  

Pelipper @ Eject Button  
Ability: Drizzle  
EVs: 252 HP / 32 SpA / 224 Spe  
Timid Nature  
IVs: 0 Atk  
- Hydro Pump  
- Hurricane  
- Tailwind  
- Icy Wind  

Swampert-Mega @ Swampertite  
Ability: Swift Swim  
EVs: 80 HP / 252 Atk / 176 Spe  
Adamant Nature  
- Waterfall  
- Earthquake  
- Ice Punch  
- Protect  

Kommo-o @ Kommonium Z  
Ability: Soundproof  
EVs: 252 SpA / 4 SpD / 252 Spe  
Modest Nature  
IVs: 0 Atk  
- Clanging Scales  
- Flamethrower  
- Substitute  
- Protect