Gardevoir-Mega @ Gardevoirite  
Ability: Trace  
EVs: 184 HP / 140 SpA / 184 Spe  
Modest Nature  
IVs: 0 Atk  
- Hyper Voice  
- Psyshock  
- Calm Mind  
- Protect  

Togekiss @ Safety Goggles  
Ability: Serene Grace  
EVs: 252 HP / 72 SpD / 184 Spe  
Calm Nature  
IVs: 0 Atk  
- Fire Blast  
- Follow Me  
- Tailwind  
- Protect  

Amoonguss @ Rocky Helmet  
Ability: Regenerator  
EVs: 232 HP / 96 Def / 180 SpD  
Sassy Nature  
IVs: 0 Atk  
- Sludge Bomb  
- Spore  
- Rage Powder  
- Protect  

Volcanion @ Assault Vest  
Ability: Water Absorb  
EVs: 252 HP / 184 SpD / 72 Spe  
Modest Nature  
IVs: 0 Atk / 30 SpA  
- Steam Eruption  
- Heat Wave  
- Earth Power  
- Hidden Power [Grass]  

Thundurus (M) @ Sitrus Berry  
Ability: Prankster  
EVs: 248 HP / 252 SpD / 8 Spe  
Timid Nature  
- Thunderbolt  
- Hidden Power [Ice]  
- Superpower  
- Thunder Wave  

Landorus-Therian @ Assault Vest  
Ability: Intimidate  
EVs: 248 HP / 52 Def / 112 SpD / 96 Spe  
Careful Nature  
- Earthquake  
- Stone Edge  
- U-turn  
- Superpower