Charizard-Mega-Y @ Charizardite Y  
Ability: Blaze  
EVs: 244 Atk / 12 SpA / 252 Spe  
Lonely Nature  
- Dragon Dance  
- Flare Blitz  
- Earthquake  
- Solar Beam  

Serperior @ Rocky Helmet  
Ability: Contrary  
EVs: 48 HP / 208 SpA / 252 Spe  
Timid Nature  
IVs: 1 Atk / 30 Def / 30 SpD / 30 Spe  
- Leaf Storm  
- Hidden Power [Rock]  
- Glare  
- Synthesis  

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

Slowbro @ Rocky Helmet  
Ability: Regenerator  
EVs: 252 HP / 176 Def / 80 SpD  
Bold Nature  
- Scald  
- Slack Off  
- Thunder Wave  
- Ice Beam  

Clefable @ Leftovers  
Ability: Magic Guard  
EVs: 252 HP / 172 Def / 84 SpD  
Calm Nature  
- Stealth Rock  
- Moonblast  
- Knock Off  
- Soft-Boiled  

Excadrill @ Leftovers  
Ability: Mold Breaker  
EVs: 220 HP / 36 Atk / 252 Spe  
Jolly Nature  
- Earthquake  
- Iron Head  
- Rapid Spin  
- Substitute