Magikarp @ Choice Specs  
Ability: Swift Swim  
Shiny: Yes  
EVs: 4 Def / 252 SpA / 252 Spe  
Modest Nature  
IVs: 0 Atk  
- Hydro Pump  
- Splash  
- Happy Hour  
- Celebrate  

Pelipper @ Damp Rock  
Ability: Drizzle  
EVs: 248 HP / 252 Def / 8 SpD  
Bold Nature  
- Scald  
- U-turn  
- Roost  
- Defog  

Tapu Koko @ Magnet  
Ability: Electric Surge  
- Thunderbolt  
- U-turn  
- Dazzling Gleam  
- Hidden Power [Ice]  

Hawlucha @ Electric Seed  
Ability: Unburden  
EVs: 252 Atk / 4 SpD / 252 Spe  
Adamant Nature  
- Drain Punch  
- High Jump Kick  
- Acrobatics  
- Swords Dance  

Swampert-Mega @ Swampertite  
Ability: Damp  
EVs: 252 Atk / 4 Def / 252 Spe  
Adamant Nature  
- Waterfall  
- Ice Punch  
- Earthquake  
- Stealth Rock  

Castform @ Choice Specs  
Ability: Forecast  
EVs: 252 SpA / 4 SpD / 252 Spe  
Modest Nature  
IVs: 0 Atk  
- Hydro Pump  
- Hurricane  
- Thunder  
- Ice Beam