Tapu Koko @ Leftovers  
Ability: Primordial Sea  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Thunder  
- Dazzling Gleam  
- Defog  
- Roost  

Houndoom @ Metronome  
Ability: Serene Grace  
EVs: 252 SpA / 4 SpD / 252 Spe  
Modest Nature  
IVs: 0 Atk  
- Dark Pulse  
- Fire Blast  
- Nasty Plot  
- Sludge Bomb  

Uxie @ Leftovers  
Ability: Regenerator  
EVs: 252 HP / 252 Def / 4 SpA  
Relaxed Nature  
IVs: 0 Spe  
- U-turn  
- Stealth Rock  
- Knock Off  
- Psychic  

Celesteela @ Choice Band  
Ability: Steelworker  
EVs: 252 HP / 252 Atk / 4 SpA  
Brave Nature  
- Heavy Slam  
- Superpower  
- Stone Edge  
- Fire Blast  

Zygarde-10% @ Dragonium Z  
Ability: Hustle  
EVs: 252 Atk / 4 SpD / 252 Spe  
Jolly Nature  
- Coil  
- Thousand Arrows  
- Outrage  
- Extreme Speed  

Nihilego @ Leftovers  
Ability: Water Absorb  
EVs: 252 HP / 4 SpA / 252 SpD  
Calm Nature  
- Power Gem  
- Pain Split  
- Acid Spray  
- Knock Off