Decidueye @ Assault Vest  
Ability: Overgrow  
Level: 50  
Gigantamax: Yes  
EVs: 252 Atk / 76 SpD / 180 Spe  
Adamant Nature  
- Leaf Blade  
- Poltergeist  
- U-turn  
- Brave Bird  

Decidueye @ Weakness Policy  
Ability: Overgrow  
Level: 50  
Gigantamax: Yes  
EVs: 252 Atk / 4 Def / 252 Spe  
Jolly Nature  
- Leaf Blade  
- Poltergeist  
- Protect / Swords Dance  
- Brave Bird