Heatran @ Leftovers  
Ability: Regenerator  
EVs: 252 HP / 4 Def / 252 SpD  
Sassy Nature  
IVs: 0 Atk  
- Stealth Rock  
- Fire Spin  
- Earth Power  
- Taunt  

Mandibuzz (F) @ Heavy-Duty Boots  
Ability: Unaware  
EVs: 248 HP / 252 Def / 8 SpD  
Impish Nature  
- Roost  
- Defog  
- U-turn  
- Foul Play  

Slowking-Galar @ Black Sludge  
Ability: Dauntless Shield  
EVs: 252 HP / 136 Def / 104 SpD  
Calm Nature  
IVs: 0 Atk  
- Slack Off  
- Psyshock  
- Scald  
- Nasty Plot  

Zygarde-10% @ Leftovers  
Ability: Power Construct  
EVs: 120 HP / 252 SpD / 136 Spe  
Careful Nature  
- Thousand Arrows  
- Rest  
- Toxic  
- Coil  

Tapu Koko @ Life Orb  
Ability: Magic Guard  
EVs: 168 HP / 116 SpA / 224 Spe  
Timid Nature  
IVs: 0 Atk  
- Discharge  
- Dazzling Gleam  
- Roost  
- Calm Mind  

Suicune @ Leftovers  
Ability: Regenerator  
EVs: 252 HP / 64 Def / 192 Spe  
Bold Nature  
IVs: 0 Atk  
- Substitute  
- Calm Mind  
- Scald  
- Weather Ball