Chansey (F) @ Eviolite  
Ability: Imposter  
Tera Type: Normal  
EVs: 252 HP / 252 Def / 252 SpA / 252 SpD  
Sassy Nature  
IVs: 0 Atk / 0 Spe  
- Shore Up  
- Teleport  
- Haze  
- Heal Bell  

Palkia-Origin @ Sitrus Berry  
Ability: Simple  
Tera Type: Grass  
EVs: 252 HP / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Fillet Away  
- Belch  
- Flamethrower  
- Steam Eruption  

Arceus-Ghost @ Spooky Plate  
Ability: Simple  
Tera Type: Ghost  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Rash Nature  
- No Retreat  
- Judgment  
- Triple Arrows  
- Strength Sap  

Steelix-Mega @ Assault Vest  
Ability: Regenerator  
Tera Type: Steel  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpD  
Sassy Nature  
IVs: 0 Spe  
- U-turn  
- Gigaton Hammer  
- Knock Off  
- Stone Axe  

Miraidon @ Covert Cloak  
Ability: Fur Coat  
Tera Type: Electric  
EVs: 252 HP / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Timid Nature  
- Strength Sap  
- Thunder Cage  
- Mortal Spin  
- Salt Cure  

Yveltal @ Heavy-Duty Boots  
Ability: Ice Scales  
Tera Type: Dark  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Sassy Nature  
- Knock Off  
- Shore Up  
- Haze  
- Rapid Spin