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

Heatran (M) @ Leftovers  
Ability: Flash Fire  
EVs: 208 HP / 136 SpA / 164 Spe  
Modest Nature  
IVs: 0 Atk  
- Stealth Rock  
- Magma Storm  
- Earth Power  
- Solar Beam  

Excadrill @ Air Balloon  
Ability: Sand Rush  
EVs: 36 HP / 176 Atk / 52 Def / 104 SpD / 140 Spe  
Adamant Nature  
- Rapid Spin  
- Rock Slide  
- Iron Head  
- Earthquake  

Tyranitar @ Choice Band  
Ability: Sand Stream  
EVs: 40 HP / 252 Atk / 216 Spe  
Adamant Nature  
- Pursuit  
- Superpower  
- Stone Edge  
- Crunch  

Thundurus (M) @ Leftovers  
Ability: Prankster  
EVs: 160 HP / 60 Def / 36 SpA / 252 Spe  
Timid Nature  
IVs: 0 Atk / 30 Def  
- Thunder Wave  
- Hidden Power [Ice]  
- Focus Blast  
- Volt Switch  

Slowbro @ Colbur Berry  
Ability: Regenerator  
EVs: 252 HP / 240 Def / 16 SpD  
Bold Nature  
IVs: 0 Atk  
- Slack Off  
- Thunder Wave  
- Psyshock  
- Scald