Whimsicott @ Babiri Berry  
Ability: Prankster  
EVs: 252 HP / 100 Def / 156 SpA  
Bold Nature  
IVs: 0 Atk  
- Leech Seed  
- Protect  
- Substitute  
- Hidden Power [Poison]  

Primarina @ Primarium Z  
Ability: Torrent  
EVs: 252 HP / 240 Def / 16 SpA  
Bold Nature  
- Sparkling Aria  
- Aqua Jet  
- Encore  
- Substitute  

Mawile-Mega @ Mawilite  
Ability: Huge Power  
EVs: 248 HP / 252 Atk / 8 SpD  
Adamant Nature  
- Iron Head  
- Taunt  
- Sucker Punch  
- Metal Burst