Gardevoir-Mega @ Gardevoirite  
Ability: Trace  
EVs: 96 HP / 56 Def / 148 SpA / 208 Spe  
Modest Nature  
IVs: 0 Atk  
- Will-O-Wisp  
- Psychic  
- Hyper Voice  
- Hyper Beam  

Zeraora @ Electrium Z  
Ability: Volt Absorb  
EVs: 60 Atk / 168 SpA / 128 SpD / 152 Spe  
Hasty Nature  
- Fake Out  
- Charge  
- Plasma Fists  
- Thunder  

Garchomp @ Groundium Z  
Ability: Rough Skin  
EVs: 252 Atk / 4 SpD / 252 Spe  
Jolly Nature  
- Substitute  
- Rock Tomb  
- Earthquake  
- Outrage