Swampert-Mega @ Swampertite  
Ability: Swift Swim  
Level: 50  
EVs: 252 Atk / 4 SpD / 252 Spe  
Adamant Nature  
- Rock Tomb  
- Earthquake  
- Waterfall  
- Ice Punch  

Pelipper @ Waterium Z  
Ability: Drizzle  
Level: 50  
EVs: 4 Def / 252 SpA / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Hydro Pump  
- Hurricane  
- Ice Beam  
- Substitute  

Tapu Koko @ Fairium Z  
Ability: Electric Surge  
Level: 50  
EVs: 4 HP / 252 SpA / 252 Spe  
Hasty Nature  
IVs: 0 Atk  
- Dazzling Gleam  
- Volt Switch  
- Thunderbolt  
- Calm Mind  

Salamence-Mega @ Salamencite  
Ability: Aerilate  
Level: 50  
EVs: 164 HP / 4 Atk / 244 Def / 4 SpD / 92 Spe  
Impish Nature  
- Substitute  
- Roost  
- Dragon Dance  
- Return  

Ferrothorn @ Focus Sash  
Ability: Iron Barbs  
Level: 50  
EVs: 252 HP / 252 Atk / 4 Def  
Brave Nature  
IVs: 0 Spe  
- Gyro Ball  
- Explosion  
- Thunder Wave  
- Stealth Rock  

Aegislash @ Weakness Policy  
Ability: Stance Change  
Level: 50  
EVs: 252 HP / 4 Atk / 212 Def / 4 SpD / 36 Spe  
Impish Nature  
- Swords Dance  
- Shadow Claw  
- Sacred Sword  
- Shadow Sneak