Charizard (M) @ Charizardite Y  
Ability: Solar Power  
EVs: 244 SpA / 12 SpD / 252 Spe  
Modest Nature  
- Heat Wave  
- Solar Beam  
- Overheat  
- Protect  

Whimsicott (F) @ Lagging Tail  
Ability: Prankster  
EVs: 252 HP / 4 SpA / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Dazzling Gleam  
- Switcheroo  
- Tailwind  
- Protect  

Groudon @ Red Orb  
Ability: Drought  
EVs: 90 HP / 77 Def / 252 SpA / 88 SpD  
Quiet Nature  
- Solar Beam  
- Earth Power  
- Eruption  
- Stone Edge  

Amoonguss @ Leftovers  
Ability: Regenerator  
EVs: 252 HP / 4 SpA / 252 SpD  
Calm Nature  
IVs: 0 Atk  
- Spore  
- Clear Smog  
- Solar Beam  
- Protect  

Rotom-Wash @ Sitrus Berry  
Ability: Levitate  
Shiny: Yes  
EVs: 252 HP / 44 Def / 60 SpA / 148 SpD / 4 Spe  
Calm Nature  
- Thunderbolt  
- Hydro Pump  
- Will-O-Wisp  
- Protect  

Gilgamesh (Aegislash) (M) @ Weakness Policy  
Ability: Stance Change  
Shiny: Yes  
EVs: 252 HP / 252 SpA / 4 SpD  
Quiet Nature  
IVs: 0 Atk / 0 Spe  
- King's Shield  
- Shadow Ball  
- Flash Cannon  
- Substitute