Registeel @ Leftovers  
Ability: Regenerator  
EVs: 252 HP / 4 Def / 252 SpD  
Calm Nature  
IVs: 0 Atk  
- Thunder Wave  
- Stealth Rock  
- Iron Defense  
- Body Press  

Yveltal @ Heavy-Duty Boots  
Ability: Unaware  
EVs: 252 HP / 252 Def / 4 SpD  
Impish Nature  
- Foul Play  
- Roost  
- U-turn  
- Defog  

Silvally-Dragon @ Assault Vest  
Ability: Regenerator  
EVs: 252 HP / 4 Def / 252 SpD  
Calm Nature  
- Poison Fang  
- Draco Meteor  
- U-turn  
- Flamethrower  

Buzzwole @ Life Orb  
Ability: Triage  
EVs: 252 HP / 252 Atk / 4 SpD  
Adamant Nature  
- Drain Punch  
- Leech Life  
- Roost  
- Toxic  

Drampa @ Leftovers  
Ability: Magic Bounce  
EVs: 252 HP / 252 Def / 4 SpA  
Bold Nature  
- Calm Mind  
- Roost  
- Dragon Rush  
- Surf  

Ho-Oh @ Life Orb  
Ability: Magic Guard  
EVs: 252 HP / 232 Atk / 24 SpD  
Careful Nature  
- Brave Bird  
- Flare Blitz  
- Curse  
- Roost