Swampert-Mega @ Swampertite  
Ability: Swift Swim  
EVs: 252 Atk / 4 Def / 252 Spe  
Serious Nature  
- Waterfall  
- Earthquake  
- Ice Punch  
- Stone Edge  

Pelipper @ Damp Rock  
Ability: Drizzle  
EVs: 252 Def / 252 SpA  
Bold Nature  
- Weather Ball  
- Hurricane  
- U-turn  
- Defog  

Dracovish @ Choice Scarf  
Ability: Strong Jaw  
EVs: 252 Atk / 4 Def / 252 Spe  
Adamant Nature  
- Fishious Rend  
- Outrage  
- Psychic Fangs  
- Crunch  

Greninja-Ash (M) @ Choice Specs  
Ability: Battle Bond  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
- Water Shuriken  
- Dark Pulse  
- Hydro Pump  
- Surf  

Ferrothorn @ Rocky Helmet  
Ability: Iron Barbs  
EVs: 220 HP / 52 Atk / 80 Def / 156 SpD  
Sassy Nature  
- Stealth Rock  
- Power Whip  
- Leech Seed  
- Protect  

Tapu Koko @ Magnet  
Ability: Electric Surge  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
IVs: 30 Atk  
- Thunderbolt  
- Dazzling Gleam  
- Hidden Power [Ice]  
- U-turn