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

Pelipper @ Damp Rock  
Ability: Drizzle  
EVs: 248 HP / 8 Def / 252 SpD  
Relaxed Nature  
- Hurricane  
- Defog  
- Roost  
- U-turn  

Greninja-Ash @ Choice Specs  
Ability: Battle Bond  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
- Dark Pulse  
- Hydro Pump  
- Spikes  
- Water Shuriken  

Kartana @ Choice Band  
Ability: Beast Boost  
EVs: 252 Atk / 4 SpD / 252 Spe  
Jolly Nature  
- Leaf Blade  
- Smart Strike  
- Knock Off  
- Sacred Sword  

Magearna @ Assault Vest  
Ability: Soul-Heart  
EVs: 252 HP / 4 SpA / 252 SpD  
Calm Nature  
IVs: 0 Atk  
- Ice Beam  
- Volt Switch  
- Energy Ball  
- Focus Blast  

Manaphy @ Waterium Z  
Ability: Hydration  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Surf  
- Tail Glow  
- Psychic  
- Ice Beam