Gyarados @ Heavy-Duty Boots  
Ability: Technician  
EVs: 252 Atk / 4 SpD / 252 Spe  
Adamant Nature  
- Dragon Dance  
- Surging Strikes  
- Dual Wingbeat  
- Earthquake  

Sharpedo @ Choice Scarf  
Ability: Sniper  
EVs: 252 Atk / 4 SpD / 252 Spe  
Jolly Nature  
- Wicked Blow  
- Surging Strikes  
- Flip Turn  
- Earthquake  

Seismitoad @ Leftovers  
Ability: Drizzle  
EVs: 252 HP / 252 Def / 4 SpA  
Bold Nature  
- Stealth Rock  
- Flip Turn  
- Scald  
- Scorching Sands  

Rotom-Wash @ Life Orb  
Ability: Swift Swim  
EVs: 252 SpA / 4 SpD / 252 Spe  
Modest Nature  
IVs: 0 Atk  
- Thunder  
- Hydro Pump  
- Hurricane  
- Nasty Plot  

Primarina @ Life Orb  
Ability: Rain Dish  
EVs: 4 HP / 252 SpA / 252 Spe  
Modest Nature  
- Moonblast  
- Hydro Pump  
- Psychic  
- Flip Turn  

Pelipper @ Damp Rock  
Ability: Drizzle  
EVs: 252 HP / 252 Def / 4 SpA  
Bold Nature  
- Hydro Pump  
- Hurricane  
- Flip Turn  
- Defog