Decidueye @ Decidium Z  
Ability: Overgrow  
EVs: 252 Atk / 4 SpD / 252 Spe  
Jolly Nature  
- Spirit Shackle  
- Leaf Blade  
- Shadow Sneak / Sucker Punch
- Swords Dance  

Decidueye @ Fightinium Z  
Ability: Overgrow  
EVs: 252 Atk / 4 SpD / 252 Spe  
Jolly Nature  
- Spirit Shackle  
- Leaf Blade  
- Low Sweep  
- Swords Dance  

Decidueye @ Grassium Z  
Ability: Overgrow  
EVs: 252 Atk / 4 SpD / 252 Spe  
Jolly Nature  
- Spirit Shackle  
- Leaf Blade  
- Shadow Sneak / Sucker Punch / Substitute 
- Swords Dance  

Decidueye @ Colbur Berry  
Ability: Overgrow  
EVs: 4 Def / 252 SpA / 252 Spe  
Timid Nature  
- Leaf Storm / Giga Drain 
- U-turn / Shadow Ball 
- Defog  
- Roost  

Decidueye @ Grassium Z  
Ability: Overgrow  
EVs: 4 Def / 252 SpA / 252 Spe  
Timid Nature  
- Leaf Storm  
- U-turn / Shadow Ball 
- Defog  
- Roost