Charizard-Mega-Y @ Charizardite Y  
Ability: Drought  
EVs: 4 Def / 252 SpA / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Flamethrower  
- Focus Blast  
- Solar Beam  
- Roost  

Tapu Koko @ Electrium Z  
Ability: Electric Surge  
EVs: 252 Atk / 20 SpA / 236 Spe  
Hasty Nature  
- Wild Charge  
- Hidden Power [Ice]  
- U-turn  
- Roost  

Heatran @ Leftovers  
Ability: Flash Fire  
EVs: 252 HP / 180 SpD / 76 Spe  
Calm Nature  
IVs: 0 Atk  
- Magma Storm  
- Earth Power  
- Taunt  
- Stealth Rock  

Landorus-Therian (M) @ Choice Scarf  
Ability: Intimidate  
EVs: 232 Atk / 68 Def / 208 Spe  
Jolly Nature  
- Earthquake  
- U-turn  
- Explosion  
- Defog  

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

Hydreigon (F) @ Leftovers  
Ability: Levitate  
EVs: 248 HP / 172 SpD / 88 Spe  
Calm Nature  
IVs: 0 Atk  
- Draco Meteor  
- Earth Power  
- Defog  
- Roost