Pelipper @ Damp Rock  
Ability: Drizzle  
EVs: 248 HP / 252 Def / 8 SpA  
Relaxed Nature  
- U-turn  
- Steam Eruption  
- Oblivion Wing  
- Defog  

Swampert-Mega @ Swampertite  
Ability: Swift Swim  
EVs: 252 Atk / 4 SpD / 252 Spe  
Adamant Nature  
- Liquidation  
- Precipice Blades  
- Superpower  
- Rain Dance  

Greninja-Ash @ Choice Specs  
Ability: Battle Bond  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
- Water Spout  
- Dark Pulse  
- Steam Eruption  
- Water Shuriken  

Ferrothorn @ Rocky Helmet  
Ability: Iron Barbs  
EVs: 248 HP / 252 Def / 8 SpD  
Impish Nature  
- Leech Seed  
- King's Shield  
- Stealth Rock  
- Anchor Shot  

Yanmega @ Focus Sash  
Ability: Speed Boost  
EVs: 252 SpA / 16 SpD / 240 Spe  
Modest Nature  
IVs: 0 Atk  
- Tail Glow  
- Bug Buzz  
- Oblivion Wing  
- Protect  

Thundurus-Therian @ Choice Scarf  
Ability: Volt Absorb  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Thunder  
- Volt Switch  
- Hidden Power [Ice]  
- Oblivion Wing