Xerneas @ Toxic Orb  
Ability: Poison Heal  
Shiny: Yes  
EVs: 252 HP / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Timid Nature  
- Moonblast  
- Quiver Dance  
- Rapid Spin  
- Will-O-Wisp/Strength Sap

Blissey (F) @ Toxic Orb  
Ability: Imposter  
EVs: 252 HP / 252 Def / 252 SpD / 252 Spe  
Bold Nature  
IVs: 0 Atk  
- Defog  
- Roost  
- Topsy-Turvy  
- Teleport  

Celesteela @ Shed Shell  
Ability: Ice Scales  
Shiny: Yes  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Calm Nature  
- Lava Plume  
- Anchor Shot  
- Topsy-Turvy  
- Shore Up  

Registeel @ Rocky Helmet  
Ability: Prankster  
EVs: 248 HP / 252 Def / 252 SpD  
Sassy Nature  
IVs: 0 Atk / 0 Spe  
- Destiny Bond  
- Recover  
- Haze  
- Parting Shot  

Tapu Fini @ Toxic Orb  
Ability: Poison Heal  
Level: 99  
Shiny: Yes  
EVs: 252 HP / 252 Def / 252 SpD  
Relaxed Nature  
IVs: 0 Spe  
- Flip Turn  
- Spikes  
- Scald  
- Spiky Shield  

Giratina @ Heavy-Duty Boots  
Ability: Magic Bounce  
EVs: 252 HP / 252 Def / 252 SpA / 252 SpD  
Relaxed Nature  
IVs: 0 Spe  
- Roost  
- Stealth Rock  
- Knock Off/Core Enforcer
- U-turn