Gardevoir-Mega @ Gardevoirite  
Ability: Trace  
EVs: 136 HP / 8 Def / 252 SpA / 112 Spe  
Modest Nature  
IVs: 0 Atk  
- Hyper Voice  
- Psyshock  
- Focus Blast  
- Taunt  

Bisharp @ Black Glasses  
Ability: Defiant  
EVs: 252 Atk / 4 Def / 252 Spe  
Adamant Nature  
- Swords Dance  
- Knock Off  
- Iron Head  
- Sucker Punch  

Latias (F) @ Rocky Helmet  
Ability: Levitate  
EVs: 252 HP / 4 SpA / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Ice Beam  
- Thunder Wave  
- Defog  
- Healing Wish  

Garchomp @ Rocky Helmet  
Ability: Rough Skin  
EVs: 240 HP / 176 Def / 92 Spe  
Impish Nature  
- Stealth Rock  
- Earthquake  
- Dragon Tail  
- Fire Blast  

Volcarona (M) @ Lum Berry  
Ability: Flame Body  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
IVs: 1 Atk / 30 SpA / 30 SpD  
- Quiver Dance  
- Flamethrower  
- Giga Drain  
- Hidden Power [Ground]  

Thundurus (M) @ Leftovers  
Ability: Prankster  
EVs: 4 Def / 252 SpA / 252 Spe  
Timid Nature  
IVs: 0 Atk / 30 Def  
- Volt Switch  
- Hidden Power [Ice]  
- Focus Blast  
- Thunder Wave