Politoed @ Leftovers  
Ability: Drizzle  
EVs: 252 HP / 252 Def / 4 SpA  
Bold Nature  
IVs: 0 Atk  
- Scald  
- Earth Power  
- Protect  
- Toxic  

Swampert-Mega @ Swampertite  
Ability: Damp  
EVs: 252 HP / 252 Atk / 4 SpD  
Adamant Nature  
- Waterfall  
- Earthquake  
- Ice Punch  
- Flip Turn  

Tentacruel @ Black Sludge  
Ability: Rain Dish  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
- Sludge Bomb  
- Scald  
- Rapid Spin  
- Ice Beam  

Ludicolo @ Choice Specs  
Ability: Swift Swim  
EVs: 252 SpA / 4 SpD / 252 Spe  
Modest Nature  
IVs: 0 Atk  
- Leaf Storm  
- Weather Ball  
- Ice Beam  
- Focus Blast  

Gyarados @ Lum Berry  
Ability: Moxie  
EVs: 252 Atk / 4 SpD / 252 Spe  
Adamant Nature  
- Waterfall  
- Earthquake  
- Power Whip  
- Dragon Dance  

Greninja (M) @ Life Orb  
Ability: Battle Bond  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
- Water Shuriken  
- Hydro Pump  
- Ice Beam  
- Extrasensory