Groudon @ Choice Scarf  
Ability: Drought  
Level: 50  
EVs: 12 HP / 252 Atk / 4 Def / 4 SpD / 236 Spe  
Jolly Nature  
IVs: 8 SpA  
- Precipice Blades  
- Rock Tomb  
- Bulldoze  
- Brick Break  

Venusaur (M) @ Expert Belt  
Ability: Chlorophyll  
Level: 50  
Gigantamax: Yes  
EVs: 148 HP / 252 SpA / 108 Spe  
Modest Nature  
IVs: 2 Atk  
- Leaf Storm  
- Sludge Bomb  
- Weather Ball  
- Protect  

Thundurus (M) @ Assault Vest  
Ability: Defiant  
Level: 50  
EVs: 4 HP / 252 Atk / 252 Spe  
Adamant Nature  
- Wild Charge  
- Fly  
- Superpower  
- Weather Ball  

Mamoswine (F) @ Focus Sash  
Ability: Oblivious  
Level: 50  
EVs: 252 Atk / 4 SpD / 252 Spe  
Adamant Nature  
- Icicle Crash  
- High Horsepower  
- Ice Shard  
- Protect  

Charizard (M) @ Life Orb  
Ability: Solar Power  
Level: 50  
Gigantamax: Yes  
EVs: 4 Def / 252 SpA / 4 SpD / 244 Spe  
Modest Nature  
- Heat Wave  
- Hurricane  
- Blast Burn  
- Protect  

Sableye (F) @ Eject Button  
Ability: Prankster  
Level: 50  
EVs: 252 HP / 124 Def / 132 SpD  
Calm Nature  
IVs: 22 Atk / 22 SpA  
- Ally Switch  
- Feint  
- Trick  
- Sunny Day