Mandibuzz (F) @ Heavy-Duty Boots  
Ability: Overcoat  
EVs: 248 HP / 116 Def / 144 SpD  
Impish Nature  
- Foul Play  
- Roost  
- Defog  
- U-turn  

Ferrothorn @ Leftovers  
Ability: Iron Barbs  
EVs: 248 HP / 88 Def / 156 SpD / 16 Spe  
Careful Nature  
- Spikes  
- Thunder Wave  
- Leech Seed  
- Iron Head  

could be cm (Tapu Fini) @ Leftovers  
Ability: Misty Surge  
EVs: 252 HP / 192 Def / 64 Spe  
Bold Nature  
IVs: 0 Atk  
- Taunt  
- Whirlpool  
- Moonblast  
- Nature's Madness  

Garchomp @ Leftovers  
Ability: Rough Skin  
EVs: 252 Atk / 4 Def / 252 Spe  
Jolly Nature  
- Swords Dance  
- Earthquake  
- Stone Edge  
- Stealth Rock  

Tornadus-Therian (M) @ Heavy-Duty Boots  
Ability: Regenerator  
EVs: 4 Def / 252 SpA / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Nasty Plot  
- Hurricane  
- Focus Blast  
- Heat Wave  

nature negotiable (Dragapult) @ Choice Specs  
Ability: Infiltrator  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
- Shadow Ball  
- Draco Meteor  
- U-turn  
- Fire Blast