Charizard-Mega-Y @ Charizardite Y  
Ability: Blaze  
EVs: 252 SpA / 4 SpD / 252 Spe  
Modest Nature  
IVs: 0 Atk  
- Substitute  
- Scorching Sands  
- Flamethrower  
- Roost  

Victini @ Choice Band  
Ability: Victory Star  
EVs: 252 Atk / 4 SpD / 252 Spe  
Adamant Nature  
- V-create  
- Bolt Strike  
- U-turn  
- Trick  

Kommo-o @ Leftovers  
Ability: Bulletproof  
EVs: 252 HP / 4 Def / 252 SpD  
Careful Nature  
- Drain Punch  
- Toxic  
- Flamethrower  
- Protect  

Xatu @ Heavy-Duty Boots  
Ability: Magic Bounce  
EVs: 252 HP / 4 SpA / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Defog  
- Heat Wave  
- Psychic  
- Roost  

Magearna @ Leftovers  
Ability: Soul-Heart  
EVs: 252 HP / 4 Def / 252 SpD  
Calm Nature  
IVs: 0 Atk  
- Calm Mind  
- Pain Split  
- Stored Power  
- Flash Cannon  

Hippowdon @ Leftovers  
Ability: Sand Stream  
EVs: 252 HP / 252 Def / 4 SpD  
Impish Nature  
- Stealth Rock  
- Earthquake  
- Slack Off  
- Toxic