Hydreigon @ Choice Specs  
Ability: Mega Launcher  
Tera Type: Dark  
EVs: 252 SpA / 4 SpD / 252 Spe  
Modest Nature  
- U-turn  
- Dragon Pulse  
- Dark Pulse  
- Toxic  

Walking Wake @ Choice Scarf  
Ability: Primordial Sea  
Tera Type: Water  
EVs: 4 Atk / 252 SpA / 252 Spe  
Naive Nature  
- Knock Off  
- Flip Turn  
- Weather Ball  
- Draco Meteor  

Mew @ Heavy-Duty Boots  
Ability: Intimidate  
Tera Type: Psychic  
EVs: 252 HP / 252 Def  
Impish Nature  
- Spikes  
- Defog  
- Will-O-Wisp  
- U-turn  

Silvally-Dragon @ Assault Vest  
Ability: Regenerator  
Tera Type: Dragon  
EVs: 252 HP / 252 SpD  
Sassy Nature  
IVs: 0 Spe  
- Rock Slide  
- U-turn  
- Poison Fang  
- Flamethrower  

Mandibuzz (F) @ Heavy-Duty Boots  
Ability: Water Absorb  
Tera Type: Dark  
EVs: 248 HP / 252 Def / 8 SpD  
Impish Nature  
- U-turn  
- Roost  
- Foul Play  
- Defog  

Ferrothorn @ Chople Berry  
Ability: Regenerator  
Tera Type: Grass  
EVs: 248 HP / 8 Atk / 252 SpD  
Sassy Nature  
IVs: 0 Spe  
- Gyro Ball  
- Knock Off  
- Stealth Rock  
- Leech Seed