Groudon @ Choice Band  
Ability: Adaptability  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpD / 252 Spe  
Jolly Nature  
- Thousand Arrows  
- Precipice Blades  
- Glacial Lance  
- U-turn  

Cramorant-Gorging @ Heavy-Duty Boots  
Ability: Gulp Missile  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpD / 252 Spe  
Impish Nature  
- Strength Sap  
- Flip Turn  
- Court Change  
- Encore  

Palkia @ Lustrous Orb  
Ability: Adaptability  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Naive Nature  
- Dragon Energy  
- Fishious Rend  
- Strength Sap  
- Glare  

Tapu Fini @ Leftovers  
Ability: Magic Bounce  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Relaxed Nature  
- Spectral Thief  
- Moonblast  
- Baneful Bunker  
- Recover  

Zamazenta-Crowned @ Leftovers  
Ability: Fur Coat  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpD / 252 Spe  
Impish Nature  
- Anchor Shot  
- Low Kick  
- Taunt  
- Milk Drink  

Giratina @ Griseous Orb  
Ability: Prankster  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Relaxed Nature  
- Haze  
- Shore Up  
- Core Enforcer  
- Knock Off