Charizard-Mega-X @ Charizardite X  
Ability: Tough Claws  
EVs: 248 HP / 56 Def / 204 Spe  
Impish Nature  
- Will-O-Wisp  
- Dragon Tail  
- Roost  
- Fire Punch  

Skarmory @ Shed Shell  
Ability: Sturdy  
EVs: 252 HP / 232 Def / 24 Spe  
Bold Nature  
IVs: 0 Atk  
- Spikes  
- Roost  
- Whirlwind  
- Toxic  

Gliscor @ Toxic Orb  
Ability: Poison Heal  
EVs: 244 HP / 128 SpD / 136 Spe  
Jolly Nature  
- Stealth Rock  
- Earthquake  
- U-turn  
- Roost  

Weavile @ Choice Band  
Ability: Pressure  
EVs: 252 Atk / 4 Def / 252 Spe  
Jolly Nature  
- Knock Off  
- Icicle Crash  
- Ice Shard  
- Pursuit  

Magearna @ Leftovers  
Ability: Soul-Heart  
EVs: 248 HP / 28 Def / 232 SpD  
Calm Nature  
IVs: 0 Atk / 6 Spe  
- Heart Swap  
- Pain Split  
- Volt Switch  
- Flash Cannon  

Toxapex @ Icium Z  
Ability: Regenerator  
EVs: 252 HP / 4 Def / 252 SpD  
Calm Nature  
IVs: 0 Atk  
- Scald  
- Haze  
- Recover  
- Toxic Spikes