Blissey (F) @ Heavy Duty Boots
Ability: healbell  
EVs: 248 HP / 252 Def / 8 SpD  
Bold Nature  
- Wish  
- Seismic Toss  
- Protect  
- Toxic  

Volcarona @ Heavy-Duty Boots  
Ability: quiverdance  
EVs: 4 HP / 252 SpA / 252 Spe  
Timid Nature  
- Bug Buzz  
- Fire Blast  
- Psychic  
- U-turn  

Urshifu @ Choice Scarf  
Ability: Bulk Up  
EVs: 252 Atk / 4 SpD / 252 Spe  
Jolly Nature  
- Wicked Blow  
- U-turn  
- Close Combat  
- Drain Punch  

Skarmory @ Rocky Helmet  
Ability: Spikes  
EVs: 252 HP / 252 Def / 4 Spe  
Impish Nature  
IVs: 0 Atk  
- Roost  
- Defog  
- Body Press  
- Whirlwind  

Hydreigon @ Choice Specs  
Ability: nastyplot  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
- Dark Pulse  
- U-turn  
- Draco Meteor  
- Flash Cannon  

Hippowdon @ Rocky Helmet  
Ability: Stealth Rock  
EVs: 252 HP / 4 Atk / 252 Def  
Impish Nature  
- Toxic  
- Whirlwind  
- Earthquake  
- Slack Off