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

Volcarona @ Sitrus Berry  
Ability: Flame Body  
EVs: 4 HP / 60 Def / 216 SpA / 228 Spe  
Modest Nature  
IVs: 1 Atk / 30 SpA / 30 SpD  
- Fire Blast  
- Giga Drain  
- Hidden Power [Ground]  
- Quiver Dance  

Thundurus (M) @ Rocky Helmet  
Ability: Prankster  
EVs: 8 HP / 160 Def / 88 SpA / 252 Spe  
Timid Nature  
IVs: 0 Atk / 30 Def  
- Volt Switch  
- Focus Blast  
- Hidden Power [Ice]  
- Thunder Wave  

Garchomp @ Rocky Helmet  
Ability: Rough Skin  
EVs: 232 HP / 108 Def / 160 SpD / 8 Spe  
Jolly Nature  
- Stealth Rock  
- Earthquake  
- Rock Tomb  
- Toxic  

Bisharp @ Assault Vest  
Ability: Defiant  
EVs: 224 HP / 248 Atk / 36 Spe  
Adamant Nature  
- Knock Off  
- Iron Head  
- Sucker Punch  
- Pursuit  

Latias (F) @ Rocky Helmet  
Ability: Levitate  
EVs: 168 HP / 88 SpA / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Surf  
- Thunder Wave  
- Defog  
- Healing Wish