Charizard-Mega-Y @ Charizardite Y  
Ability: Drought  
Level: 50  
EVs: 14 HP / 12 Def / 21 SpA / 19 Spe  
Modest Nature  
- Overheat  
- Flamethrower  
- Air Slash  
- Dragon Pulse  

Mimikyu @ Fairy Feather  
Ability: Disguise  
Level: 50  
EVs: 21 HP / 26 Atk / 19 Def  
Adamant Nature  
- Shadow Sneak  
- Play Rough  
- Drain Punch  
- Swords Dance  

Garchomp @ Choice Scarf  
Ability: Rough Skin  
Level: 50  
EVs: 2 HP / 32 Atk / 32 Spe  
Adamant Nature  
- Outrage  
- Earthquake  
- Rock Slide  
- Stealth Rock  

Gyarados-Mega @ Gyaradosite  
Ability: Mold Breaker  
Level: 50  
EVs: 5 HP / 32 Atk / 3 Def / 26 Spe  
Jolly Nature  
- Waterfall  
- Earthquake  
- Ice Fang  
- Dragon Dance  

Aegislash @ Leftovers  
Ability: Stance Change  
Level: 50  
EVs: 32 HP / 3 Def / 11 SpA / 20 SpD  
Brave Nature  
- King's Shield  
- Iron Head  
- Shadow Ball  
- Shadow Sneak  

Milotic @ Lum Berry  
Ability: Cute Charm  
Level: 50  
EVs: 32 HP / 27 Def / 7 Spe  
Bold Nature  
- Scald  
- Ice Beam  
- Haze  
- Recover