Eternatus @ Life Orb  
Ability: Sheer Force  
Tera Type: Dragon  
EVs: 252 HP / 252 Def / 252 SpA / 252 Spe  
Modest Nature  
IVs: 0 Atk / 0 SpD  
- Quiver Dance  
- Sludge Wave  
- Roar of Time  
- Flamethrower  

Groudon @ Leftovers  
Ability: Ice Scales  
Tera Type: Grass  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpD / 252 Spe  
Jolly Nature  
- Tidy Up  
- Precipice Blades  
- Spirit Shackle  
- Strength Sap  

Dondozo @ Rocky Helmet  
Ability: Fur Coat  
Tera Type: Fire  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpD  
Relaxed Nature  
IVs: 0 Spe  
- Nuzzle  
- Flip Turn  
- Circle Throw  
- Recover  

Arceus-Ghost @ Toxic Orb  
Ability: Poison Heal  
Tera Type: Ghost  
EVs: 252 HP / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Modest Nature  
IVs: 0 Atk  
- Quiver Dance  
- Infernal Parade  
- Aura Sphere  
- Taunt  

Palkia-Origin @ Lustrous Orb  
Ability: Adaptability  
Tera Type: Fairy  
EVs: 252 HP / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Modest Nature  
IVs: 0 Atk  
- Dragon Energy  
- Water Spout  
- Taunt  
- Strength Sap  

Kyogre @ Leftovers  
Ability: Prankster  
Tera Type: Ground  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpD / 252 Spe  
Careful Nature  
- Haze  
- Recover  
- Entrainment  
- Nuzzle