Diancie-Mega @ Choice Specs  
Ability: Pixilate  
Tera Type: Rock  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Rash Nature  
- Boomburst  
- Extreme Speed  
- Armor Cannon  
- Volt Switch  

Arceus-Dark @ Covert Cloak  
Ability: Ice Scales  
Tera Type: Dark  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpD / 252 Spe  
Careful Nature  
- Knock Off  
- Spirit Shackle  
- Shore Up  
- Haze  

Chansey (F) @ Eviolite  
Ability: Imposter  
Tera Type: Normal  
EVs: 252 HP / 252 Def / 252 SpD / 252 Spe  
Bold Nature  
- Whirlwind  
- Roost  
- Heal Bell  
- Mortal Spin  

Kyogre-Primal @ Assault Vest  
Ability: Regenerator  
Tera Type: Water  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpA / 252 SpD  
Sassy Nature  
IVs: 0 Spe  
- Revelation Dance  
- Stone Axe  
- Flip Turn  
- Rapid Spin  

Lunala @ Rocky Helmet  
Ability: Fur Coat  
Tera Type: Psychic  
EVs: 252 HP / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Bold Nature  
IVs: 0 Atk  
- Infernal Parade  
- Slack Off  
- Teleport  
- Nuzzle  

Mewtwo-Mega-Y @ Life Orb  
Ability: Magic Guard  
Tera Type: Psychic  
EVs: 252 HP / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Lumina Crash  
- Chloroblast  
- Earth Power  
- Strength Sap