Cottonee @ Focus Sash  
Ability: Prankster  
Level: 1  
IVs: 0 HP / 0 Atk  
- Leech Seed  
- Endeavor  
- Substitute  
- Encore  

Blubby (Arceus-Water) @ Waterium Z  
Ability: Multitype  
EVs: 44 HP / 252 SpA / 4 SpD / 208 Spe  
Modest Nature  
IVs: 0 Atk  
- Hydro Cannon  
- Ice Beam  
- Earth Power  
- Calm Mind  

Xerneas @ Power Herb  
Ability: Fairy Aura  
EVs: 248 HP / 252 Def / 8 Spe  
Bold Nature  
IVs: 0 Atk  
- Geomancy  
- Moonblast  
- Defog  
- Reflect  

Mew @ Focus Sash  
Ability: Synchronize  
EVs: 252 HP / 4 Def / 252 Spe  
Naive Nature  
- Taunt  
- Endeavor  
- Stealth Rock  
- U-turn  

Kyogre @ Choice Scarf  
Ability: Drizzle  
EVs: 252 SpA / 4 SpD / 252 Spe  
Modest Nature  
IVs: 0 Atk  
- Water Spout  
- Origin Pulse  
- Thunder  
- Ice Beam  

Ditto @ Choice Scarf  
Ability: Imposter  
EVs: 248 HP / 252 Def / 8 SpD  
Bold Nature  
IVs: 0 Atk  
- Transform