Meloetta (F) @ Safety Goggles  
Ability: Wonder Guard  
EVs: 252 HP / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Bold Nature  
IVs: 0 Atk  
- Aromatherapy  
- Wish  
- Defog  
- U-turn  

Scizor-Mega @ Safety Goggles  
Ability: Wonder Guard  
EVs: 248 HP / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Bold Nature  
IVs: 0 Atk  
- Gastro Acid  
- Substitute  
- Shell Smash  
- Baton Pass  

Giratina @ Ghostium Z  
Ability: Magic Bounce  
EVs: 248 HP / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Bold Nature  
IVs: 0 Atk  
- Curse  
- Shore Up  
- Substitute  
- Defog  

Rayquaza-Mega @ Choice Scarf  
Ability: Pure Power  
EVs: 248 HP / 252 Atk / 252 Def / 252 SpD / 252 Spe  
Jolly Nature  
- Dragon Ascent  
- Thousand Arrows  
- Trick  
- Play Rough  

Zygarde-Complete @ Safety Goggles  
Ability: Prankster  
EVs: 248 HP / 252 Def / 252 SpA / 252 SpD  
Relaxed Nature  
IVs: 0 Spe  
- Stealth Rock  
- Shore Up  
- U-turn  
- Destiny Bond  

Regigigas @ Safety Goggles  
Ability: Mold Breaker  
Happiness: 0  
EVs: 248 HP / 252 Atk / 252 Def / 252 SpD / 252 Spe  
Adamant Nature  
- Frustration  
- Spectral Thief  
- Shell Smash  
- Spore