Diancie-Mega @ Diancite  
Ability: Clear Body  
Tera Type: Grass  
EVs: 252 SpA / 4 SpD / 252 Spe  
Hasty Nature  
- Diamond Storm  
- Body Press  
- Moonblast  
- Mystical Fire  

Clefable @ Life Orb  
Ability: Magic Guard  
Tera Type: Grass  
EVs: 252 HP / 252 SpA / 4 SpD  
Modest Nature  
IVs: 0 Atk  
- Calm Mind  
- Moonblast  
- Mystical Fire  
- Psyshock  

Haxorus @ Lum Berry  
Ability: Mold Breaker  
Tera Type: Grass  
EVs: 44 HP / 252 Atk / 212 Spe  
Adamant Nature  
- Dragon Dance  
- Outrage  
- Earthquake  
- Iron Head  

Maushold @ Heavy-Duty Boots  
Ability: Technician  
Tera Type: Grass  
EVs: 252 Atk / 4 Def / 252 Spe  
Adamant Nature  
- Tidy Up  
- Population Bomb  
- Crunch  
- Encore  

Vileplume @ Rocky Helmet  
Ability: Effect Spore  
Tera Type: Grass  
EVs: 252 HP / 4 SpA / 252 SpD  
Calm Nature  
IVs: 0 Atk  
- Strength Sap  
- Toxic  
- Sleep Powder  
- Moonblast  

Glastrier @ Normalium Z  
Ability: Chilling Neigh  
Tera Type: Grass  
EVs: 252 HP / 252 Atk / 4 Def  
Adamant Nature  
- High Horsepower  
- Icicle Spear  
- Rest  
- Sleep Talk