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

Serperior @ Rocky Helmet  
Ability: Contrary  
EVs: 208 HP / 48 SpA / 252 Spe  
Timid Nature  
- Leaf Storm  
- Hidden Power [Rock]  
- Taunt  
- Glare  

Clefable @ Leftovers  
Ability: Magic Guard  
EVs: 252 HP / 252 Def / 4 SpD  
Bold Nature  
IVs: 0 Atk  
- Calm Mind  
- Moonblast  
- Flamethrower  
- Soft-Boiled  

Heatran @ Leftovers  
Ability: Flash Fire  
EVs: 248 HP / 8 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Magma Storm  
- Taunt  
- Will-O-Wisp  
- Earth Power  

Landorus-Therian (M) @ Earth Plate  
Ability: Intimidate  
EVs: 252 Atk / 4 Def / 252 Spe  
Adamant Nature  
- Earthquake  
- Stone Edge  
- Swords Dance  
- Stealth Rock  

Mew @ Leftovers  
Ability: Synchronize  
EVs: 252 HP / 224 SpD / 32 Spe  
Careful Nature  
- Will-O-Wisp  
- Defog  
- Soft-Boiled  
- Knock Off