Gyarados @ Mystic Water  
Ability: Moxie  
Shiny: Yes  
EVs: 252 Atk / 4 SpA / 252 Spe  
Adamant Nature  
- Dragon Dance  
- Waterfall  
- Power Whip  
- Earthquake  

Sylveon @ Focus Sash  
Ability: Cute Charm  
EVs: 252 HP / 252 SpA / 4 Spe  
IVs: 0 Atk  
- Yawn  
- Misty Explosion  
- Dazzling Gleam  
- Light Screen