Hydreigon @ Choice Specs  
Ability: Levitate  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
- Draco Meteor  
- Dark Pulse  
- U-turn  
- Fire Blast  

Celesteela @ Leftovers  
Ability: Beast Boost  
EVs: 252 HP / 4 Def / 252 SpD  
Sassy Nature  
- Heavy Slam  
- Flamethrower  
- Leech Seed  
- Protect  

Primarina @ Heavy-Duty Boots  
Ability: Torrent  
EVs: 252 HP / 104 Def / 16 SpD / 136 Spe  
Calm Nature  
IVs: 0 Atk  
- Moonblast  
- Scald  
- Rest  
- Sleep Talk  

Mandibuzz @ Heavy-Duty Boots  
Ability: Overcoat  
EVs: 248 HP / 28 Def / 216 SpD / 16 Spe  
Careful Nature  
- Foul Play  
- Roost  
- Knock Off  
- U-turn  

Nihilego @ Black Sludge  
Ability: Beast Boost  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
- Power Gem  
- Sludge Wave  
- Knock Off  
- Stealth Rock  

Mamoswine @ Life Orb  
Ability: Thick Fat  
EVs: 252 Atk / 4 SpD / 252 Spe  
Adamant Nature  
IVs: 29 HP  
- Earthquake  
- Ice Shard  
- Icicle Crash  
- Knock Off