Azumarill @ Sitrus Berry  
Ability: Huge Power  
EVs: 252 HP / 252 Atk / 4 SpD  
Adamant Nature  
- Play Rough  
- Belly Drum  
- Fake Tears  
- Aqua Ring  

Flutter Mane @ Life Orb  
Ability: Protosynthesis  
EVs: 252 HP / 4 Def / 252 SpA  
Modest Nature  
IVs: 0 Atk  
- Moonblast  
- Fake Tears  
- Mystical Fire  
- Thunder Wave  

Grimmsnarl (M) @ Light Clay  
Ability: Prankster  
EVs: 252 HP / 252 Atk / 4 SpD  
Adamant Nature  
- Spirit Break  
- Light Screen  
- Thunder Wave  
- Reflect  

Sylveon @ Choice Specs  
Ability: Pixilate  
EVs: 252 HP / 252 SpA / 4 SpD  
Modest Nature  
IVs: 0 Atk  
- Hyper Voice  
- Hyper Beam  
- Draining Kiss  
- Moonblast