Palkia @ Psychium Z  
Ability: Pressure  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Heal Block  
- Hydro Pump  
- Spacial Rend  
- Aura Sphere  

Tapu Fini @ Leftovers  
Ability: Misty Surge  
EVs: 248 HP / 252 Def / 8 SpD  
Bold Nature  
IVs: 0 Atk  
- Defog  
- Scald  
- Nature's Madness  
- Taunt  

Swampert-Mega @ Swampertite  
Ability: Swift Swim  
EVs: 252 Atk / 4 SpD / 252 Spe  
Adamant Nature  
- Waterfall  
- Earthquake  
- Ice Punch  
- Stealth Rock  

Politoed @ Damp Rock  
Ability: Drizzle  
EVs: 248 HP / 8 Def / 252 SpD  
Calm Nature  
IVs: 0 Atk  
- Scald  
- Toxic  
- Protect  
- Haze  

Dragonite @ Flyinium Z  
Ability: Multiscale  
EVs: 252 Atk / 4 SpD / 252 Spe  
Adamant Nature  
- Dragon Dance  
- Extreme Speed  
- Earthquake  
- Fly  

Hydreigon @ Choice Scarf  
Ability: Levitate  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
- Dark Pulse  
- Draco Meteor  
- Fire Blast  
- U-turn