Charizard-Mega-X @ Charizardite X  
Ability: Blaze  
EVs: 252 Atk / 4 SpD / 252 Spe  
Adamant Nature  
- Dragon Dance  
- Flare Blitz  
- Dragon Claw  
- Roost  

Starmie @ Colbur Berry  
Ability: Natural Cure  
EVs: 212 HP / 56 Def / 240 Spe  
Timid Nature  
IVs: 0 Atk  
- Scald  
- Rapid Spin  
- Recover  
- Thunderbolt  

Terrakion @ Choice Band  
Ability: Justified  
EVs: 252 Atk / 4 Def / 252 Spe  
Jolly Nature  
- Close Combat  
- Stone Edge  
- Rock Slide  
- Quick Attack  

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

Ferrothorn @ Shed Shell  
Ability: Iron Barbs  
EVs: 252 HP / 88 Def / 168 SpD  
Impish Nature  
IVs: 0 Spe  
- Spikes  
- Leech Seed  
- Gyro Ball  
- Power Whip  

Garchomp @ Rocky Helmet  
Ability: Rough Skin  
EVs: 240 HP / 176 Def / 84 SpD / 8 Spe  
Impish Nature  
- Stealth Rock  
- Earthquake  
- Rock Tomb  
- Toxic