Thundurus (M) @ Life Orb  
Ability: Defiant  
EVs: 248 Atk / 4 Def / 4 SpD / 252 Spe  
Jolly Nature  
- Wild Charge  
- Superpower  
- Fly  
- Protect  

Nihilego @ Power Herb  
Ability: Beast Boost  
EVs: 4 HP / 76 Def / 176 SpA / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Meteor Beam  
- Sludge Bomb  
- Protect  
- Trick Room  

Urshifu @ Focus Sash  
Ability: Unseen Fist  
EVs: 252 Atk / 4 SpD / 252 Spe  
Jolly Nature  
- Wicked Blow  
- Close Combat  
- Sucker Punch  
- Protect  

Clefairy @ Eviolite  
Ability: Friend Guard  
EVs: 252 HP / 252 Def / 4 SpA  
Relaxed Nature  
IVs: 0 Atk / 0 Spe  
- Moonblast  
- Helping Hand  
- Follow Me  
- Protect  

Rotom-Heat @ Sitrus Berry  
Ability: Levitate  
EVs: 204 HP / 196 SpA / 108 Spe  
Modest Nature  
IVs: 0 Atk  
- Overheat  
- Thunderbolt  
- Nasty Plot  
- Protect  

Glastrier @ Assault Vest  
Ability: Chilling Neigh  
EVs: 248 HP / 252 Atk / 8 SpD  
Brave Nature  
IVs: 0 Spe  
- Icicle Crash  
- Heavy Slam  
- High Horsepower  
- Close Combat