Tyranitar-Mega @ Tyranitarite  
Ability: Sand Stream  
EVs: 152 HP / 184 Atk / 4 SpD / 168 Spe  
Adamant Nature  
- Stone Edge  
- Fire Punch  
- Pursuit  
- Stealth Rock  

Celesteela @ Leftovers  
Ability: Beast Boost  
EVs: 252 HP / 132 Def / 124 SpD  
Sassy Nature  
IVs: 7 Spe  
- Heavy Slam  
- Hidden Power [Ice]  
- Leech Seed  
- Protect  

Excadrill @ Leftovers  
Ability: Sand Rush  
EVs: 252 Atk / 4 SpD / 252 Spe  
Jolly Nature  
- Earthquake  
- Iron Head  
- Swords Dance  
- Toxic  

Serperior @ Choice Scarf  
Ability: Contrary  
EVs: 4 Def / 252 SpA / 252 Spe  
Timid Nature  
- Leaf Storm  
- Hidden Power [Fire]  
- Knock Off  
- Defog  

Toxapex @ Black Sludge  
Ability: Regenerator  
EVs: 252 HP / 204 SpD / 52 Spe  
Calm Nature  
IVs: 0 Atk  
- Scald  
- Toxic Spikes  
- Recover  
- Haze  

Reuniclus @ Psychium Z  
Ability: Magic Guard  
EVs: 208 HP / 252 Def / 48 Spe  
Bold Nature  
IVs: 0 Atk  
- Psyshock  
- Calm Mind  
- Acid Armor  
- Recover