Swampert-Mega @ Swampertite  
Ability: Swift Swim  
EVs: 252 Atk / 4 SpD / 252 Spe  
Adamant Nature  
- Waterfall  
- Earthquake  
- Superpower  
- Protect  

Tapu Koko @ Life Orb  
Ability: Electric Surge  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Thunder  
- Dazzling Gleam  
- Volt Switch  
- Protect  

Pelipper @ Eject Button  
Ability: Drizzle  
EVs: 252 HP / 4 Def / 252 SpD  
Calm Nature  
IVs: 0 Atk  
- Hurricane  
- Scald  
- Tailwind  
- Protect  

Ludicolo @ Waterium Z  
Ability: Swift Swim  
EVs: 4 Def / 252 SpA / 252 Spe  
Modest Nature  
- Fake Out  
- Hydro Pump  
- Energy Ball  
- Ice Beam  

Landorus-Therian (M) @ Mago Berry  
Ability: Intimidate  
EVs: 252 HP / 44 Def / 136 SpA / 28 SpD / 48 Spe  
Modest Nature  
- Earth Power  
- U-turn  
- Knock Off  
- Stealth Rock  

Aegislash @ Leftovers  
Ability: Stance Change  
EVs: 212 HP / 252 SpA / 44 Spe  
Modest Nature  
IVs: 0 Atk  
- Shadow Ball  
- Flash Cannon  
- Substitute  
- King's Shield