Venusaur-Mega @ Venusaurite  
Ability: Chlorophyll  
Tera Type: Grass  
EVs: 252 HP / 252 SpA / 4 SpD  
Modest Nature  
IVs: 0 Atk  
- Sludge Bomb  
- Leech Seed  
- Sleep Powder  
- Giga Drain  

Ferrothorn @ Leftovers  
Ability: Iron Barbs  
Tera Type: Grass  
EVs: 252 HP / 4 Atk / 252 Def  
Relaxed Nature  
- Protect  
- Leech Seed  
- Spikes  
- Gyro Ball  

Rillaboom @ Choice Band  
Ability: Grassy Surge  
Tera Type: Grass  
EVs: 252 Atk / 4 SpD / 252 Spe  
Adamant Nature  
- Knock Off  
- Grassy Glide  
- Superpower  
- High Horsepower  

Celebi @ Groundium Z  
Ability: Natural Cure  
Tera Type: Psychic  
EVs: 220 HP / 252 SpA / 36 Spe  
Modest Nature  
IVs: 0 Atk  
- Nasty Plot  
- Psychic  
- Earth Power  
- Recover  

Breloom @ Focus Sash  
Ability: Technician  
Tera Type: Grass  
EVs: 252 Atk / 4 SpD / 252 Spe  
Jolly Nature  
- Swords Dance  
- Mach Punch  
- Spore  
- Close Combat  

Whimsicott @ Heavy-Duty Boots  
Ability: Prankster  
Tera Type: Grass  
EVs: 252 HP / 252 Def / 4 SpA  
Bold Nature  
- Encore  
- Defog  
- Moonblast  
- U-turn