Giratina @ Rocky Helmet  
Ability: Prankster  
EVs: 252 HP / 252 Def / 252 SpA / 252 SpD  
Relaxed Nature  
IVs: 0 Atk / 0 Spe  
- Haze  
- Shore Up  
- Core Enforcer  
- Scald  

Xerneas @ Toxic Orb  
Ability: Poison Heal  
EVs: 252 HP / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Modest Nature  
IVs: 0 Atk  
- Moonblast  
- Spikes  
- Quiver Dance  
- Lava Plume  

Arceus-Water @ Groundium Z  
Ability: Fur Coat  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpD / 252 Spe  
Jolly Nature  
- Shore Up  
- Defog  
- Fishious Rend  
- Thousand Waves  

Ho-Oh @ Heavy-Duty Boots  
Ability: Magic Bounce  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpD / 248 Spe  
Impish Nature  
- Lava Plume  
- Anchor Shot  
- Roost  
- Spectral Thief  

Greninja-Ash (M) @ Choice Band  
Ability: Tough Claws  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpD / 252 Spe  
Jolly Nature  
- Fishious Rend  
- Wicked Blow  
- Bolt Beak  
- Pursuit  

Mewtwo-Mega-X @ Wide Lens  
Ability: Dazzling  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpD / 252 Spe  
Jolly Nature  
- Low Kick  
- Triple Axel  
- Strength Sap  
- Stealth Rock