Diancie-Mega @ Life Orb  
Ability: Magic Guard  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Naive Nature  
- High Jump Kick  
- Light of Ruin  
- Head Smash  
- V-create  

Arceus-Poison @ Rocky Helmet  
Ability: Fur Coat  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Impish Nature  
- Roost  
- Spectral Thief  
- Worry Seed  
- Thousand Waves  

Groudon @ Red Orb  
Ability: Intimidate  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpD / 252 Spe  
Impish Nature  
- Morning Sun  
- V-create  
- Poison Fang  
- Knock Off  

Giratina @ Leftovers  
Ability: Ice Scales  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpA / 252 SpD  
Sassy Nature  
IVs: 0 Spe  
- Shore Up  
- Spectral Thief  
- Core Enforcer  
- Teleport  

Kyogre-Primal @ Toxic Orb  
Ability: Poison Heal  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpA / 252 SpD  
Relaxed Nature  
IVs: 0 Spe  
- Flip Turn  
- Scorching Sands  
- Baneful Bunker  
- Defog  

Chansey @ Spooky Plate  
Ability: Imposter  
Happiness: 0  
EVs: 252 HP / 252 Def / 252 SpD  
Relaxed Nature  
IVs: 0 Atk / 0 Spe  
- Spikes  
- Whirlwind  
- Defog  
- Recover