Dewpider @ Eviolite  
Ability: Water Bubble  
EVs: 248 HP / 252 Def / 8 SpA  
Bold Nature  
IVs: 0 Atk  
- Sticky Web  
- Scald  
- Ice Beam  
- Toxic  

Wailord @ Choice Specs  
Ability: Pressure  
EVs: 4 HP / 252 SpA / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Water Spout  
- Surf  
- Hyper Voice  
- Ice Beam  

Seaking @ Damp Rock  
Ability: Lightning Rod  
Shiny: Yes  
EVs: 252 HP / 252 Atk / 4 SpD  
Adamant Nature  
- Flip Turn  
- Rain Dance  
- Knock Off  
- Megahorn  

Golduck @ Life Orb  
Ability: Swift Swim  
EVs: 252 SpA / 4 SpD / 252 Spe  
Modest Nature  
IVs: 0 Atk  
- Rain Dance  
- Surf  
- Ice Beam  
- Psychic  

Drednaw @ Life Orb  
Ability: Swift Swim  
Shiny: Yes  
EVs: 252 Atk / 4 SpD / 252 Spe  
Adamant Nature  
- Head Smash  
- Liquidation  
- Earthquake  
- Rain Dance  

Mareanie @ Eviolite  
Ability: Regenerator  
Shiny: Yes  
EVs: 248 HP / 8 Atk / 252 Def  
Impish Nature  
- Recover  
- Toxic Spikes  
- Knock Off  
- Scald