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

Tyranitar @ Choice Band  
Ability: Sand Stream  
EVs: 8 HP / 252 Atk / 44 SpD / 204 Spe  
Adamant Nature  
- Stone Edge  
- Crunch  
- Pursuit  
- Earthquake  

Charizard-Mega-Y @ Charizardite Y  
Ability: Blaze  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Flamethrower  
- Roost  
- Solar Beam  
- Focus Blast  

Magearna @ Electrium Z  
Ability: Soul-Heart  
EVs: 68 HP / 252 SpA / 188 Spe  
Timid Nature  
IVs: 0 Atk  
- Shift Gear  
- Focus Blast  
- Flash Cannon  
- Thunderbolt  

Toxapex @ Choice Band  
Ability: Regenerator  
EVs: 248 HP / 252 Atk / 8 SpD  
Adamant Nature  
- Liquidation  
- Gunk Shot  
- Toxic Spikes  
- Knock Off  

Serperior @ Leftovers  
Ability: Contrary  
EVs: 168 HP / 88 SpA / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Leaf Storm  
- Defog  
- Hidden Power [Fire]  
- Synthesis