Kyurem-Black @ Life Orb  
Ability: Teravolt  
EVs: 4 Atk / 252 SpA / 252 Spe  
Naive Nature  
- Ice Beam  
- Fusion Bolt  
- Hidden Power [Fire]  
- Roost  

Tapu Koko @ Electrium Z  
Ability: Electric Surge  
EVs: 64 HP / 252 Atk / 192 Spe  
Naive Nature  
- Wild Charge  
- U-turn  
- Hidden Power [Ice]  
- Roost  

Charizard-Mega-Y @ Charizardite Y  
Ability: Drought  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Flamethrower  
- Focus Blast  
- Defog  
- Roost  

Ferrothorn @ Leftovers  
Ability: Iron Barbs  
EVs: 252 HP / 88 Def / 168 SpD  
Impish Nature  
- Stealth Rock  
- Leech Seed  
- Knock Off  
- Power Whip  

Greninja @ Choice Scarf  
Ability: Protean  
EVs: 252 Atk / 4 SpA / 252 Spe  
Hasty Nature  
- U-turn  
- Gunk Shot  
- Rock Slide  
- Ice Beam  

Mew @ Leftovers  
Ability: Synchronize  
EVs: 252 HP / 40 Def / 216 Spe  
Jolly Nature  
- Defog  
- Earthquake  
- Will-O-Wisp  
- Soft-Boiled