Collapsing Sun (Heatran) @ Heavy-Duty Boots  
Ability: Desolate Land  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Calm Nature  
- Lava Plume  
- Spectral Thief  
- Stealth Rock  
- Soft-Boiled  

Asphyxiation (Lugia) @ Shed Shell  
Ability: Prankster  
EVs: 252 HP / 252 Def / 252 SpD / 252 Spe  
Calm Nature  
IVs: 0 Atk  
- Milk Drink  
- Entrainment  
- Glare  
- Haze  

Retrogenesis (Giratina) @ Heavy-Duty Boots  
Ability: Fur Coat  
EVs: 252 HP / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Bold Nature  
IVs: 0 Atk  
- Teleport  
- Core Enforcer  
- Defog  
- Roost  

Super Star Shooter (Magearna) @ Pixie Plate  
Ability: Triage  
Shiny: Yes  
EVs: 252 HP / 252 Def / 252 SpA / 252 SpD  
Quiet Nature  
IVs: 0 Atk / 0 Spe  
- Nasty Plot  
- Doom Desire  
- Draining Kiss  
- Strength Sap  

Bed of Thorns (Regigigas) @ Toxic Orb  
Ability: Poison Heal  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpD / 252 Spe  
Adamant Nature  
- Dragon Dance  
- Facade  
- Precipice Blades  
- Dragon Tail  

Four of a Kind (Xerneas) @ Toxic Orb  
Ability: Poison Heal  
Shiny: Yes  
EVs: 252 HP / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Modest Nature  
IVs: 0 Atk  
- Quiver Dance  
- Lava Plume  
- Thunder Cage  
- Moonblast