Swampert-Mega @ Swampertite  
Ability: Damp  
EVs: 252 Atk / 4 SpD / 252 Spe  
Jolly Nature  
- Waterfall  
- Earthquake  
- Ice Punch  
- Superpower  

Pelipper @ Damp Rock  
Ability: Drizzle  
EVs: 248 HP / 252 Def / 8 SpD  
Relaxed Nature  
IVs: 0 Spe  
- Scald  
- Knock Off  
- Roost  
- U-turn  

Manaphy @ Waterium Z  
Ability: Hydration  
EVs: 248 HP / 184 SpA / 76 Spe  
Modest Nature  
IVs: 0 Atk  
- Tail Glow  
- Surf  
- Psychic  
- Rest  

Ferrothorn @ Figy Berry  
Ability: Iron Barbs  
EVs: 248 HP / 24 Def / 236 SpD  
Careful Nature  
- Stealth Rock  
- Spikes  
- Knock Off  
- Power Whip  

Tornadus-Therian @ Rocky Helmet  
Ability: Regenerator  
EVs: 248 HP / 8 Def / 252 Spe  
Timid Nature  
- Hurricane  
- Knock Off  
- Defog  
- U-turn  

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