Politoed @ Damp Rock  
Ability: Drizzle  
EVs: 248 HP / 164 SpD / 96 Spe  
Calm Nature  
IVs: 0 Atk  
- Scald  
- Toxic  
- Encore  
- Rest  

Swampert-Mega @ Swampertite  
Ability: Swift Swim  
EVs: 252 Atk / 4 Def / 252 Spe  
Adamant Nature  
- Waterfall  
- Earthquake  
- Ice Punch  
- Power-Up Punch