Regigigas @ Toxic Orb  
Ability: Poison Heal  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpD / 252 Spe  
Adamant Nature  
- Facade  
- Shift Gear  
- Knock Off  
- Spore  

Kartana @ Choice Band  
Ability: Steelworker  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpD / 252 Spe  
Jolly Nature  
- Sunsteel Strike  
- V-create  
- U-turn  
- Bullet Punch  

Giratina @ Griseous Orb  
Ability: Prankster  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpA / 252 SpD  
Relaxed Nature  
IVs: 0 Atk / 0 Spe  
- Destiny Bond  
- Topsy-Turvy  
- Shore Up  
- Core Enforcer  

Mewtwo-Mega-X @ Expert Belt  
Ability: Pixilate  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Naive Nature  
- Extreme Speed  
- Boomburst  
- Close Combat  
- Sunsteel Strike  

Ho-Oh @ Toxic Orb  
Ability: Magic Guard  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Adamant Nature  
- Flare Blitz  
- High Jump Kick  
- Shore Up  
- Spectral Thief  

Yveltal @ Leftovers  
Ability: Unaware  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Sassy Nature  
- Revelation Dance  
- Icicle Spear  
- Shore Up  
- Anchor Shot