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

Toxicroak @ Black Sludge  
Ability: Dry Skin  
EVs: 252 Atk / 4 Def / 252 Spe  
Jolly Nature  
- Poison Jab  
- Brick Break  
- Substitute  
- Swords Dance  

Politoed @ Damp Rock  
Ability: Drizzle  
EVs: 248 HP / 8 Def / 252 SpD  
Calm Nature  
IVs: 0 Atk  
- Scald  
- Encore  
- Sleep Talk  
- Rest  

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

Venusaur-Mega @ Venusaurite  
Ability: Thick Fat  
EVs: 248 HP / 84 Def / 176 SpD  
Bold Nature  
IVs: 0 Atk  
- Giga Drain  
- Sludge Bomb  
- Leech Seed  
- Rest  

Poliwrath @ Leftovers  
Ability: Swift Swim  
EVs: 80 HP / 252 Atk / 176 Spe  
Adamant Nature  
- Waterfall  
- Brick Break  
- Ice Punch  
- Bulk Up