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

Swampert-Mega @ Swampertite  
Ability: Torrent  
EVs: 252 Atk / 4 SpD / 252 Spe  
Adamant Nature  
- Flip Turn  
- Earthquake  
- Ice Punch  
- Liquidation  

Barraskewda @ Choice Band  
Ability: Swift Swim  
EVs: 252 Atk / 4 SpD / 252 Spe  
Adamant Nature  
- Flip Turn  
- Liquidation  
- Close Combat  
- Psychic Fangs  

Greninja @ Waterium Z  
Ability: Battle Bond  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
- Hydro Pump  
- Dark Pulse  
- Water Shuriken  
- Ice Beam  

Ferrothorn @ Chople Berry  
Ability: Iron Barbs  
EVs: 252 HP / 92 Def / 164 SpD  
Sassy Nature  
IVs: 0 Spe  
- Stealth Rock  
- Gyro Ball  
- Leech Seed  
- Power Whip  

Thundurus-Therian (M) @ Heavy-Duty Boots  
Ability: Volt Absorb  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Thunder  
- Weather Ball  
- Focus Blast  
- Nasty Plot