Mew @ Colbur Berry  
Ability: Synchronize  
EVs: 252 HP / 4 Def / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Stealth Rock  
- Spikes  
- Thunder Wave  
- Taunt  

Grimmsnarl @ Light Clay  
Ability: Prankster  
Shiny: Yes  
EVs: 248 HP / 80 Atk / 168 SpD / 12 Spe  
Adamant Nature  
- Light Screen  
- Reflect  
- Taunt  
- Spirit Break  

Jirachi @ Weakness Policy  
Ability: Serene Grace  
EVs: 252 HP / 4 SpD / 252 Spe  
Timid Nature  
- Cosmic Power  
- Drain Punch  
- Stored Power  
- Ancient Power  

Corviknight (F) @ Weakness Policy  
Ability: Mirror Armor  
Shiny: Yes  
EVs: 248 HP / 208 SpD / 52 Spe  
Careful Nature  
- Agility  
- Bulk Up  
- Power Trip  
- Roost  

Blacephalon @ Weakness Policy  
Ability: Beast Boost  
EVs: 236 HP / 20 SpA / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Calm Mind  
- Stored Power  
- Shadow Ball  
- Flamethrower  

Gardevoir @ Choice Scarf  
Ability: Trace  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Moonblast  
- Psychic  
- Mystical Fire  
- Healing Wish