Charizard-Mega-Y @ Charizardite Y  
Ability: Blaze  
EVs: 4 HP / 252 SpA / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Weather Ball  
- Solar Beam  
- Scorching Sands  
- Roost  

Dragonite (M) @ Heavy-Duty Boots  
Ability: Multiscale  
EVs: 132 HP / 124 Atk / 252 Spe  
Jolly Nature  
- Dragon Claw  
- Earthquake  
- Dragon Dance  
- Roost  

Corviknight @ Weakness Policy  
Ability: Pressure  
EVs: 252 HP / 144 SpD / 112 Spe  
Careful Nature  
- Power Trip  
- Bulk Up  
- Agility  
- Roost  

Thundurus-Therian (M) @ Electrium Z  
Ability: Volt Absorb  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Thunderbolt  
- Hidden Power [Ice]  
- Grass Knot  
- Agility  

Tornadus-Therian (M) @ Heavy-Duty Boots  
Ability: Regenerator  
EVs: 232 HP / 76 Def / 32 SpD / 168 Spe  
Timid Nature  
- Hurricane  
- Heat Wave  
- Defog  
- U-turn  

Gliscor @ Toxic Orb  
Ability: Poison Heal  
EVs: 244 HP / 20 Def / 180 SpD / 64 Spe  
Careful Nature  
- Earthquake  
- Knock Off  
- Taunt  
- Roost