Latias-Mega @ Latiasite  
Ability: Levitate  
EVs: 248 HP / 8 Def / 252 Spe  
Timid Nature  
- Ice Beam  
- Hidden Power [Ground]  
- Thunder Wave  
- Roost  

Gliscor @ Toxic Orb  
Ability: Poison Heal  
EVs: 244 HP / 68 Def / 80 SpD / 116 Spe  
Careful Nature  
- Earthquake  
- Knock Off  
- Defog  
- Roost  

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

Toxapex @ Black Sludge  
Ability: Regenerator  
EVs: 252 HP / 176 Def / 80 SpD  
Bold Nature  
IVs: 0 Atk  
- Scald  
- Toxic  
- Haze  
- Recover  

Tapu Koko @ Electrium Z  
Ability: Electric Surge  
Shiny: Yes  
EVs: 252 Atk / 4 SpA / 252 Spe  
Hasty Nature  
- Wild Charge  
- Hidden Power [Ice]  
- U-turn  
- Roost  

Celesteela @ Leftovers  
Ability: Beast Boost  
EVs: 248 HP / 28 Def / 232 SpD  
Sassy Nature  
- Heavy Slam  
- Flamethrower  
- Leech Seed  
- Protect