Zygarde @ Leftovers  
Ability: Power Construct  
EVs: 204 HP / 248 Def / 56 Spe  
Impish Nature  
- Thousand Arrows / Thousand Waves
- Rest  
- Glare / Scale Shot
- Coil  

Blissey @ Utility Umbrella  
Ability: Natural Cure  
EVs: 4 HP / 252 Def / 252 SpD  
Calm Nature  
IVs: 0 Atk  
- Soft-Boiled  
- Aromatherapy  
- Confide  
- Toxic / Seismic Toss / Thunder Wave / Stealth Rock / Wish / Shadow Ball