Blissey (F) @ Utility Umbrella  
Ability: Natural Cure  
EVs: 252 Def / 4 SpA / 252 SpD  
Calm Nature  
IVs: 0 Atk  
- Toxic  
- Soft-Boiled  
- Aromatherapy  
- Confide  

Ditto @ Choice Scarf  
Ability: Imposter  
EVs: 252 HP / 100 Def / 156 SpD  
- Transform  

Giratina @ Leftovers  
Ability: Pressure  
EVs: 248 HP / 248 Def / 12 Spe  
Bold Nature  
IVs: 0 Atk  
- Defog  
- Roar  
- Will-O-Wisp  
- Rest  

Tyranitar @ Heavy-Duty Boots  
Ability: Sand Stream  
EVs: 252 HP / 4 Atk / 252 SpD  
Careful Nature  
- Stealth Rock  
- Rock Blast  
- Crunch  
- Rest  

Zamazenta-Crowned @ Rusted Shield  
Ability: Dauntless Shield  
EVs: 252 HP / 64 Def / 132 SpD / 60 Spe  
Careful Nature  
- Howl  
- Close Combat  
- Behemoth Bash  
- Rest  

Clefable @ Life Orb  
Ability: Magic Guard  
EVs: 252 HP / 248 Def / 8 SpA  
Bold Nature  
- Stealth Rock  
- Knock Off  
- Moonblast  
- Soft-Boiled