Beedrill-Mega @ Beedrillite  
Ability: Adaptability  
EVs: 252 Atk / 4 SpD / 252 Spe  
Jolly Nature  
- Poison Jab  
- Knock Off  
- Toxic Spikes  
- U-turn  

Blissey (F) @ Heavy-Duty Boots  
Ability: Natural Cure  
EVs: 252 Def / 252 SpD  
Calm Nature  
IVs: 0 Atk  
- Stealth Rock  
- Seismic Toss  
- Soft-Boiled  
- Teleport  

Buzzwole @ Heavy-Duty Boots  
Ability: Beast Boost  
EVs: 252 HP / 124 Def / 132 Spe  
Impish Nature  
- Close Combat  
- Ice Punch  
- Earthquake  
- Roost  

Bisharp @ Black Glasses  
Ability: Defiant  
EVs: 252 Atk / 4 SpD / 252 Spe  
Jolly Nature  
- Swords Dance  
- Knock Off  
- Iron Head  
- Sucker Punch  

Blastoise @ Heavy-Duty Boots  
Ability: Torrent  
EVs: 252 HP / 252 Def / 4 SpD  
Bold Nature  
- Scald  
- Ice Beam  
- Rapid Spin  
- Flip Turn  

Blacephalon @ Choice Specs  
Ability: Beast Boost  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Overheat  
- Flamethrower  
- Shadow Ball  
- Trick