Greninja-Ash @ Choice Specs  
Ability: Battle Bond  
EVs: 4 Atk / 252 SpA / 252 Spe  
Naive Nature  
- Surf  
- Water Shuriken  
- Dark Pulse  
- Gunk Shot  

Kyurem-Black @ Icium Z  
Ability: Teravolt  
EVs: 252 Atk / 4 SpA / 252 Spe  
Naive Nature  
- Freeze Shock  
- Fusion Bolt  
- Ice Beam  
- Earth Power  

Tapu Koko @ Choice Scarf  
Ability: Electric Surge  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
IVs: 1 Atk  
- Defog  
- Hidden Power [Ice]  
- Volt Switch  
- Thunderbolt  

Magearna @ Assault Vest  
Ability: Soul-Heart  
EVs: 248 HP / 8 SpA / 252 SpD  
Sassy Nature  
- Fleur Cannon  
- Iron Head  
- Hidden Power [Fire]  
- Volt Switch  

Landorus-Therian @ Leftovers  
Ability: Intimidate  
EVs: 234 HP / 240 Def / 36 Spe  
Impish Nature  
- Stealth Rock  
- Earthquake  
- Hidden Power [Ice]  
- U-turn  

Charizard-Mega-Y @ Charizardite Y  
Ability: Drought  
EVs: 4 HP / 252 SpA / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Fire Blast  
- Roost  
- Focus Blast  
- Solar Beam