Clefable @ Sticky Barb  
Ability: Magic Guard  
EVs: 252 HP / 252 Def / 4 SpD  
Bold Nature  
IVs: 0 Atk  
- Moonblast  
- Trick  
- Stealth Rock  
- Soft-Boiled  

Garchomp @ Leftovers  
Ability: Rough Skin  
EVs: 252 Atk / 4 SpD / 252 Spe  
Jolly Nature  
- Swords Dance  
- Earthquake  
- Fire Fang  
- Scale Shot  

Tapu Koko @ Heavy-Duty Boots  
Ability: Electric Surge  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
- Thunderbolt  
- Nature's Madness  
- U-turn  
- Defog  

Mew @ Expert Belt  
Ability: Synchronize  
EVs: 252 Atk / 4 SpD / 252 Spe  
Jolly Nature  
- Psychic Fangs  
- Close Combat  
- Sucker Punch  
- Ice Punch  

Celesteela @ Assault Vest  
Ability: Beast Boost  
Shiny: Yes  
EVs: 252 HP / 252 Atk / 4 SpA  
Brave Nature  
- Heavy Slam  
- Earthquake  
- Stone Edge  
- Fire Blast  

Volcanion @ Choice Specs  
Ability: Water Absorb  
EVs: 248 HP / 76 SpA / 184 Spe  
Modest Nature  
IVs: 0 Atk  
- Steam Eruption  
- Flamethrower  
- Earth Power  
- Sludge Wave