Rillaboom @ Leftovers  
Ability: Grassy Surge  
EVs: 240 HP / 252 Atk / 16 Spe
Adamant Nature  
- Swords Dance  
- Grassy Glide  
- Knock Off  
- Drain Punch  

PLUS

Tapu Bulu @ Choice Band  
Ability: Grassy Surge  
EVs: 32 HP / 252 Atk / 224 Spe  
Adamant Nature  
- Horn Leech  
- Stone Edge  
- Close Combat  
- Wood Hammer  /  Zen Headbutt

OR

Kartana @ Choice Scarf  
Ability: Beast Boost  
EVs: 252 Atk / 4 SpD / 252 Spe  
Jolly Nature  
- Leaf Blade  
- Knock Off  
- Sacred Sword  
- Smart Strike

OR

Kartana @ Protective Pads
Ability: Beast Boost  
EVs: 252 Atk / 4 SpD / 252 Spe  
Jolly Nature  
- Swords Dance
- Leaf Blade 
- Sacred Sword  
- Knock Off