Niflheim Parasite (Nihilego) @ Black Sludge  
Ability: Sand Stream  
Shiny: Yes  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpD / 252 Spe  
Impish Nature  
- Toxic Spikes  
- Shore Up  
- Spectral Thief  
- Revelation Dance  

Shattered Reality (Giratina) @ Griseous Orb  
Ability: Prankster  
EVs: 252 HP / 252 Def / 252 SpA / 252 SpD  
Sassy Nature  
IVs: 0 Atk / 0 Spe  
- Haze  
- Shore Up  
- Core Enforcer  
- Destiny Bond  

Sands of Time (Dialga) @ Assault Vest  
Ability: Regenerator  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpA / 252 SpD  
Quiet Nature  
IVs: 0 Spe  
- Spectral Thief  
- Revelation Dance  
- Rapid Spin  
- Core Enforcer  

Saggitarius A* (Slowbro-Mega) @ Toxic Orb  
Ability: Poison Heal  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpA / 252 SpD  
Relaxed Nature  
IVs: 0 Spe  
- Scald  
- U-turn  
- King's Shield  
- Spikes  

Protostar (Xerneas) @ Toxic Orb  
Ability: Poison Heal  
EVs: 252 HP / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Quiver Dance  
- Moonblast  
- Thunder  
- Lava Plume  

Cloak Tech (Blissey) (F) @ Choice Scarf  
Ability: Imposter  
EVs: 252 HP / 252 Def / 252 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Soft-Boiled  
- Final Gambit  
- Trick  
- Spikes