Hydreigon @ Choice Specs  
Ability: Levitate  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid / Modest Nature  
- Dark Pulse  
- Draco Meteor  
- Flash Cannon  
- Flamethrower  

Hydreigon @ Choice Scarf  
Ability: Levitate  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid / Modest Nature  
- Dark Pulse  
- Draco Meteor  
- Flash Cannon  
- Flamethrower  

Hydreigon @ Life Orb  
Ability: Levitate  
EVs: 4 Atk / 252 SpA / 252 Spe  
Hasty / Timid Nature  
- Draco Meteor  
- Dark Pulse  
- Superpower  
- Roost  

Hydreigon @ Life Orb  
Ability: Levitate  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature
- Taunt  
- Roost  
- Dark Pulse  
- Dragon Pulse