Lapras @ Icy Rock  
Ability: Snow Warning  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpA / 252 SpD  
Relaxed Nature  
IVs: 0 Atk / 0 Spe  
- Scald  
- Stealth Rock  
- Recover  
- Purify  

Registeel @ Assault Vest  
Ability: Regenerator  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpA / 252 SpD  
Sassy Nature  
IVs: 0 Spe  
- Poison Fang  
- Core Enforcer  
- Rapid Spin  
- U-turn  

Giratina @ Toxic Orb  
Ability: Poison Heal  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpD  
Relaxed Nature  
IVs: 0 Spe  
- Will-O-Wisp  
- Knock Off  
- Slack Off  
- Whirlwind  

Ho-Oh @ Firium Z  
Ability: Magic Guard  
Level: 99  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpD  
Sassy Nature  
IVs: 0 Spe  
- Anchor Shot  
- V-create  
- Roost  
- Defog  

Xerneas @ Safety Goggles  
Ability: Prankster  
EVs: 252 HP / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Bold Nature  
IVs: 0 Atk  
- Moonblast  
- Encore  
- Haze  
- Milk Drink  

Chansey @ Choice Scarf  
Ability: Imposter  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpD / 252 Spe  
Jolly Nature  
IVs: 0 Atk  
- Whirlwind  
- Switcheroo  
- Final Gambit  
- Shore Up