Heatran @ Shed Shell  
Ability: Magic Bounce  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Impish Nature  
- Shore Up  
- Magma Storm  
- Spectral Thief  
- Anchor Shot  

Muk-Alola @ Air Balloon  
Ability: Wonder Guard  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpA / 252 SpD  
Sassy Nature  
IVs: 0 Spe  
- Magic Coat  
- Shore Up  
- Circle Throw  
- U-turn  

Celesteela @ Shed Shell  
Ability: Wonder Guard  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpA / 252 SpD  
Relaxed Nature  
IVs: 0 Atk / 0 Spe  
- Will-O-Wisp  
- Shore Up  
- Defog  
- Whirlwind  

Gyarados-Mega @ Shed Shell  
Ability: Mold Breaker  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Jolly Nature  
- Taunt  
- Spikes  
- Milk Drink  
- Knock Off  

Zygarde-Complete @ Shed Shell  
Ability: Arena Trap  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Impish Nature  
- Strength Sap  
- Encore  
- Perish Song  
- Spectral Thief  

Chansey (F) @ Eviolite  
Ability: Imposter  
EVs: 252 HP / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Bold Nature  
IVs: 0 Atk  
- Shore Up  
- Defog  
- Whirlwind  
- Perish Song