Ferrothorn @ Rocky Helmet  
Ability: Iron Barbs  
EVs: 252 HP / 244 Def / 12 SpD  
Impish Nature  
- Spikes  
- Leech Seed  
- Power Whip  
- Body Press  

Clefable @ Rocky Helmet  
Ability: Magic Guard  
EVs: 252 HP / 120 Def / 136 SpD  
Calm Nature  
- Moonblast  
- Knock Off  
- Thunder Wave  
- Soft-Boiled  

Dragapult @ Choice Specs  
Ability: Infiltrator  
EVs: 252 SpA / 4 SpD / 252 Spe  
Modest Nature  
- Draco Meteor  
- Shadow Ball  
- Flamethrower  
- U-turn  

Aegislash @ Choice Specs  
Ability: Stance Change  
EVs: 252 SpA / 4 SpD / 252 Spe  
Modest Nature  
- Shadow Ball  
- Flash Cannon  
- Close Combat  
- Shadow Sneak  

Garchomp @ Leftovers  
Ability: Rough Skin  
EVs: 240 HP / 252 SpD / 16 Spe  
Careful Nature  
- Stealth Rock  
- Earthquake  
- Toxic  
- Protect  

Tornadus-Therian (M) @ Heavy-Duty Boots  
Ability: Regenerator  
EVs: 252 HP / 88 Def / 168 Spe  
Timid Nature  
- Hurricane  
- Knock Off  
- U-turn  
- Defog