Carracosta @ Waterium Z  
Ability: Sturdy  
EVs: 16 Atk / 240 SpA / 252 Spe  
Naive Nature  
- Shell Smash  
- Hydro Pump  
- Ice Beam  
- Aqua Tail  

Gardevoir-Mega @ Gardevoirite  
Ability: Trace  
EVs: 96 HP / 208 SpA / 204 Spe  
Modest Nature  
IVs: 0 Atk  
- Psychic  
- Hyper Voice  
- Hyper Beam  
- Encore  

Zygarde @ Groundium Z  
Ability: Power Construct  
EVs: 236 HP / 12 Atk / 252 Def / 8 Spe  
Impish Nature  
- Coil  
- Thousand Arrows  
- Extreme Speed  
- Rest