she belongs (Kyurem-Black) @ Weakness Policy  
Ability: Teravolt  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Blizzard  
- Hidden Power [Fire]  
- Earth Power  
- Protect  

to the streets (Abomasnow-Mega) @ Abomasite  
Ability: Snow Warning  
EVs: 252 HP / 4 Atk / 252 SpA  
Quiet Nature  
- Protect  
- Blizzard  
- Energy Ball  
- Ice Shard  

sun is down (Zygarde) @ Life Orb  
Ability: Aura Break  
EVs: 252 HP / 108 Atk / 148 Spe  
Adamant Nature  
- Thousand Arrows  
- Extreme Speed  
- Dragon Dance  
- Protect  

freezing cold (Metagross-Mega) @ Metagrossite  
Ability: Clear Body  
EVs: 252 Atk / 4 SpD / 252 Spe  
Jolly Nature  
- Meteor Mash  
- Thunder Punch  
- Zen Headbutt  
- Protect