Zygarde-10% @ Choice Band  
Ability: Aura Break  
EVs: 252 Atk / 4 SpD / 252 Spe  
Jolly Nature  
- Thousand Arrows  
- Extreme Speed  
- Toxic  
- Glare

Gardevoir-Mega @ Gardevoirite  
Ability: Trace  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Hyper Voice  
- Psyshock  
- Mystical Fire  
- Teleport