Aerodactyl @ Focus Sash  
Ability: Pressure  
EVs: 248 HP / 8 Atk / 252 Spe  
Jolly Nature  
- Rock Tomb  
- Defog  
- Stealth Rock  
- Taunt  

Tapu Koko @ Light Clay  
Ability: Electric Surge  
EVs: 248 HP / 8 Def / 252 Spe  
Jolly Nature  
- Reflect  
- Light Screen  
- Taunt  
- U-turn  

Xerneas @ Power Herb  
Ability: Fairy Aura  
EVs: 4 HP / 252 SpA / 252 Spe  
Modest Nature  
IVs: 0 Atk  
- Geomancy  
- Moonblast  
- Thunder  
- Focus Blast  

Rayquaza @ Life Orb  
Ability: Air Lock  
EVs: 252 Atk / 4 Def / 252 Spe  
Adamant Nature  
- Dragon Ascent  
- Dragon Dance  
- Extreme Speed  
- Earthquake  

Naganadel @ Dragonium Z  
Ability: Beast Boost  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Draco Meteor  
- Sludge Wave  
- Nasty Plot  
- Fire Blast  

Necrozma-Dusk-Mane @ Weakness Policy  
Ability: Prism Armor  
EVs: 252 SpA / 4 SpD / 252 Spe  
Modest Nature  
IVs: 0 Atk  
- Rock Polish  
- Calm Mind  
- Heat Wave  
- Stored Power