Chansey (F) @ Eviolite  
Ability: Imposter  
Tera Type: Normal  
EVs: 252 HP / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Calm Nature  
IVs: 0 Atk  
- Ruination  
- Block  
- Topsy-Turvy  
- Roost  

Garchomp-Mega @ Choice Band  
Ability: Sword of Ruin  
Tera Type: Dragon  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpD / 252 Spe  
Adamant Nature  
- Bolt Strike  
- Headlong Rush  
- Glaive Rush  
- Flip Turn  

Audino-Mega @ Covert Cloak  
Ability: Magic Bounce  
Tera Type: Normal  
EVs: 252 HP / 252 Def / 252 SpD / 252 Spe  
Calm Nature  
- Haze  
- Milk Drink  
- Mortal Spin  
- Teleport  

Lunala @ Covert Cloak  
Ability: Fur Coat  
Tera Type: Psychic  
EVs: 252 HP / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Bold Nature  
IVs: 0 Atk  
- Spikes  
- Infernal Parade  
- Strength Sap  
- Haze  

Arceus-Poison @ Earth Plate  
Ability: Ice Scales  
Tera Type: Poison  
EVs: 252 HP / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Calm Nature  
IVs: 0 Atk  
- Take Heart  
- Judgment  
- Mortal Spin  
- Strength Sap  

Mewtwo-Mega-X @ Life Orb  
Ability: Sheer Force  
Tera Type: Psychic  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Naive Nature  
- Psychic  
- Axe Kick  
- Bolt Strike  
- Moonblast