Toxapex @ Rocky Helmet  
Ability: Regenerator  
EVs: 252 HP / 252 Def / 4 SpD  
Bold Nature  
- Knock Off  
- Recover  
- Haze  
- Toxic Spikes  

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

Landorus-Therian (M) @ Leftovers  
Ability: Intimidate  
EVs: 252 HP / 4 Def / 252 SpD  
Careful Nature  
IVs: 30 Spe  
- Stealth Rock  
- Earthquake  
- U-turn  
- Toxic  

Melmetal @ Leftovers  
Ability: Iron Fist  
EVs: 252 Atk / 244 SpD / 12 Spe  
Adamant Nature  
- Protect  
- Double Iron Bash  
- Earthquake  
- Toxic  

Heatran @ Leftovers  
Ability: Flash Fire  
EVs: 252 HP / 232 SpD / 24 Spe  
Calm Nature  
IVs: 0 Atk  
- Magma Storm  
- Earth Power  
- Taunt  
- Toxic  

Tornadus-Therian (M) @ Heavy-Duty Boots  
Ability: Regenerator  
EVs: 252 HP / 4 Def / 252 Spe  
Timid Nature  
- Hurricane  
- Knock Off  
- U-turn  
- Defog