Charizard-Mega-Y @ Charizardite Y  
Ability: Drought  
EVs: 248 HP / 56 Def / 132 SpA / 72 SpD  
Quiet Nature  
IVs: 0 Atk / 0 Spe  
- Overheat  
- Solar Beam  
- Heat Wave  
- Protect  

Zygarde @ Choice Band  
Ability: Aura Break  
EVs: 24 HP / 244 Atk / 56 SpD / 184 Spe  
Adamant Nature  
- Thousand Arrows  
- Toxic  
- Extreme Speed  
- Superpower  

Tapu Bulu @ Grassium Z  
Ability: Grassy Surge  
EVs: 252 HP / 252 Atk / 4 SpD  
Brave Nature  
IVs: 11 Spe  
- Wood Hammer  
- Superpower  
- Swords Dance  
- Protect  

Scrafty @ Iapapa Berry  
Ability: Intimidate  
EVs: 252 HP / 200 Atk / 56 Def  
Brave Nature  
IVs: 0 Spe  
- Fake Out  
- High Jump Kick  
- Knock Off  
- Taunt  

Diancie @ Weakness Policy  
Ability: Clear Body  
EVs: 252 HP / 140 Atk / 116 SpD  
Brave Nature  
IVs: 0 Spe  
- Diamond Storm  
- Moonblast  
- Trick Room  
- Protect  

Porygon2 @ Eviolite  
Ability: Download  
EVs: 252 HP / 88 Def / 16 SpA / 152 SpD  
Quiet Nature  
IVs: 0 Atk / 0 Spe  
- Thunderbolt  
- Ice Beam  
- Recover  
- Trick Room