Gardevoir @ Leftovers  
Ability: Trace  
EVs: 252 HP / 40 SpA / 216 SpD  
Calm Nature  
IVs: 0 Atk  
- Imprison  
- Rest  
- Calm Mind  
- Thunderbolt  

Vaporeon @ Mystic Water  
Ability: Water Absorb  
EVs: 144 Def / 220 SpA / 144 Spe  
Modest Nature  
IVs: 3 Atk / 30 SpA  
- Acid Armor  
- Surf  
- Ice Beam  
- Hidden Power [Electric]  

Aerodactyl @ Liechi Berry  
Ability: Rock Head  
EVs: 252 Atk / 4 SpD / 252 Spe  
Jolly Nature  
- Substitute  
- Hidden Power [Flying]  
- Earthquake  
- Rock Slide