Slowbro-Mega @ Shed Shell  
Ability: Wonder Guard  
EVs: 252 HP / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Bold Nature  
IVs: 0 Atk  
- Scald  
- Spikes  
- Strength Sap  
- Recover  

Type: Null @ Eviolite  
Ability: Magic Bounce  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpD / 252 Spe  
Impish Nature  
IVs: 12 Spe  
- U-turn  
- Spectral Thief  
- Aromatherapy  
- Heal Order  

Zygarde-Complete @ Leftovers  
Ability: Prankster  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpD  
Relaxed Nature  
IVs: 3 Spe  
- Destiny Bond  
- U-turn  
- Haze  
- Shore Up  

Muk-Alola @ Shed Shell  
Ability: Mold Breaker  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpD / 252 Spe  
Careful Nature  
- Knock Off  
- Anchor Shot  
- Stealth Rock  
- Strength Sap  

Meloetta @ Normalium Z  
Ability: Wonder Guard  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpD / 252 Spe  
Careful Nature  
- Spectral Thief  
- Mean Look  
- Defog  
- Roost  

Mewtwo-Mega-X @ Choice Scarf  
Ability: Shadow Tag  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Adamant Nature  
- Close Combat  
- Light That Burns the Sky  
- Beat Up  
- First Impression