Diancie-Mega @ Diancite  
Ability: Magic Bounce  
EVs: 4 Atk / 252 SpA / 252 Spe  
Hasty Nature  
- Diamond Storm  
- Moonblast  
- Hidden Power [Fire]  
- Earth Power  

Tyranitar @ Shuca Berry  
Ability: Sand Stream  
EVs: 248 HP / 80 Def / 180 SpA  
Quiet Nature  
- Ice Beam  
- Fire Blast  
- Stealth Rock  
- Crunch  

Excadrill @ Steelium Z  
Ability: Sand Rush  
EVs: 252 Atk / 4 SpD / 252 Spe  
Adamant Nature  
- Swords Dance  
- Rapid Spin  
- Earthquake  
- Iron Head  

Toxapex @ Black Sludge  
Ability: Regenerator  
EVs: 248 HP / 28 Def / 216 SpD / 16 Spe  
Calm Nature  
IVs: 0 Atk  
- Scald  
- Toxic Spikes  
- Infestation  
- Recover  

Celesteela @ Leftovers  
Ability: Beast Boost  
EVs: 248 HP / 200 Def / 52 SpD / 8 Spe  
Impish Nature  
- Leech Seed  
- Protect  
- Earthquake  
- Flamethrower  

Quagsire @ Rocky Helmet  
Ability: Unaware  
EVs: 252 HP / 252 Def / 4 SpD  
Relaxed Nature  
- Toxic  
- Scald  
- Earthquake  
- Recover