Tentacruel @ Choice Specs  
Ability: Rain Dish  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Dazzling Gleam  
- Ice Beam  
- Rapid Spin  
- Scald  

Tornadus @ Flyinium Z  
Ability: Prankster  
EVs: 4 Atk / 252 SpA / 252 Spe  
Hasty Nature  
- Rain Dance  
- Hurricane  
- Superpower  
- Tailwind  

Breloom @ Life Orb  
Ability: Technician  
EVs: 252 Atk / 4 SpD / 252 Spe  
Jolly Nature  
- Bullet Seed  
- Mach Punch  
- Rock Tomb  
- Swords Dance  

Volcanion @ Assault Vest  
Ability: Water Absorb  
EVs: 248 HP / 252 SpA / 8 SpD  
Modest Nature  
IVs: 0 Atk  
- Steam Eruption  
- Sludge Wave  
- Earth Power  
- Fire Blast  

Klefki @ Damp Rock  
Ability: Prankster  
EVs: 252 HP / 252 Def / 4 SpA  
Bold Nature  
IVs: 0 Atk  
- Rain Dance  
- Spikes  
- Toxic  
- Dazzling Gleam  

Sharpedo-Mega @ Sharpedonite  
Ability: Speed Boost  
EVs: 252 Atk / 4 SpD / 252 Spe  
Adamant Nature  
- Protect  
- Psychic Fangs  
- Crunch  
- Ice Fang