Hydreigon @ Firium Z  
Ability: Levitate  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Dark Pulse  
- Draco Meteor  
- Fire Blast  
- Roost  

Tapu Koko @ Leftovers  
Ability: Electric Surge  
EVs: 248 HP / 8 SpA / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Roost  
- Protect  
- Toxic  
- Thunderbolt  

Toxapex @ Black Sludge  
Ability: Regenerator  
EVs: 252 HP / 4 Def / 252 SpD  
Calm Nature  
IVs: 0 Atk  
- Toxic Spikes  
- Haze  
- Recover  
- Scald  

Excadrill @ Choice Scarf  
Ability: Mold Breaker  
EVs: 252 Atk / 4 SpD / 252 Spe  
Jolly Nature  
- Earthquake  
- Iron Head  
- Rapid Spin  
- Toxic  

Clefable @ Leftovers  
Ability: Magic Guard  
EVs: 252 HP / 252 Def / 4 SpD  
Bold Nature  
IVs: 0 Atk  
- Stealth Rock  
- Moonblast  
- Soft-Boiled  
- Thunder Wave  

Latias-Mega @ Latiasite  
Ability: Levitate  
EVs: 252 HP / 4 SpA / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Calm Mind  
- Recover  
- Stored Power  
- Refresh