Groudon @ Choice Band  
Ability: Mold Breaker  
Tera Type: Ground  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpD / 252 Spe  
Adamant Nature  
- Headlong Rush  
- Glacial Lance  
- V-create  
- Flip Turn  

Koraidon @ Choice Band  
Ability: Gorilla Tactics  
Tera Type: Fighting  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpD / 252 Spe  
Jolly Nature  
- Glaive Rush  
- Close Combat  
- Gigaton Hammer  
- Flip Turn  

Dondozo @ Rocky Helmet  
Ability: Fur Coat  
Tera Type: Water  
EVs: 252 HP / 252 Def / 252 SpD  
Relaxed Nature  
IVs: 0 Atk / 0 Spe  
- U-turn  
- Mortal Spin  
- Jungle Healing  
- Strength Sap  

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

Arceus-Ground @ Covert Cloak  
Ability: Ice Scales  
Tera Type: Ground  
EVs: 252 HP / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Calm Nature  
IVs: 0 Atk  
- Calm Mind  
- Revelation Dance  
- Mortal Spin  
- Strength Sap  

Dialga-Origin @ Assault Vest  
Ability: Regenerator  
Tera Type: Steel  
EVs: 252 HP / 252 Def / 252 SpA / 252 SpD  
Sassy Nature  
IVs: 0 Spe  
- Revelation Dance  
- Stone Axe  
- Nuzzle  
- U-turn