Hoopa-Unbound @ Sitrus Berry  
Ability: Simple  
Tera Type: Psychic  
EVs: 252 HP / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Modest Nature  
IVs: 0 Atk  
- Fillet Away  
- Belch  
- Stored Power  
- Strength Sap  

Venusaur-Mega @ Sitrus Berry  
Ability: Simple  
Tera Type: Psychic  
EVs: 252 HP / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Modest Nature  
IVs: 0 Atk  
- Fillet Away  
- Belch  
- Giga Drain  
- Strength Sap  

Sceptile-Mega @ Sitrus Berry  
Ability: Simple  
Tera Type: Grass  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Hasty Nature  
IVs: 0 Atk  
- Fillet Away  
- Belch  
- Giga Drain  
- Steam Eruption  

Steelix-Mega @ Light Clay  
Ability: Snow Warning  
Tera Type: Steel  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpD  
Sassy Nature  
IVs: 0 Spe  
- Aurora Veil  
- U-turn  
- Strength Sap  
- Stone Axe  

Arceus-Poison @ Earth Plate  
Ability: Fur Coat  
Tera Type: Poison  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Timid Nature  
- Mortal Spin  
- Judgment  
- Knock Off  
- Strength Sap  

Mewtwo-Mega-X @ Covert Cloak  
Ability: Fur Coat  
Tera Type: Psychic  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpD / 252 Spe  
Jolly Nature  
- Psychic Fangs  
- Low Kick  
- Mortal Spin  
- Strength Sap