Swampert-Mega @ Swampertite  
Ability: Drizzle  
EVs: 252 Atk / 4 Def / 252 Spe  
Jolly Nature  
- Stealth Rock  
- Waterfall  
- Earthquake  
- Ice Punch  

Tornadus-Therian @ Damp Rock  
Ability: Drizzle  
EVs: 248 HP / 8 SpA / 252 Spe  
Timid Nature  
- Hurricane  
- Knock Off  
- U-turn  
- Defog  

Volcanion @ Choice Specs  
Ability: Swift Swim  
EVs: 252 SpA / 4 SpD / 252 Spe  
Modest Nature  
IVs: 0 Atk  
- Steam Eruption  
- Sludge Wave  
- Earth Power  
- Fire Blast  

Porygon2 @ Eviolite  
Ability: Unaware  
EVs: 252 HP / 232 Def / 24 SpD  
Bold Nature  
IVs: 0 Atk  
- Ice Beam  
- Discharge  
- Recover  
- Toxic  

Ferrothorn @ Leftovers  
Ability: Mold Breaker  
EVs: 252 HP / 88 Def / 168 SpD  
Careful Nature  
- Leech Seed  
- Spikes  
- Knock Off  
- Power Whip  

Buzzwole @ Electrium Z  
Ability: Triage  
EVs: 200 HP / 252 Atk / 56 Spe  
Adamant Nature  
- Bulk Up  
- Drain Punch  
- Leech Life  
- Thunder Punch