Hydreigon @ Choice Scarf  
Ability: Levitate  
EVs: 252 SpA / 4 SpD / 252 Spe  
Mild Nature  
- Draco Meteor  
- Dark Pulse  
- Flamethrower  
- Head Smash  

Swampert @ Choice Band  
Ability: Torrent  
EVs: 252 HP / 60 Atk / 112 Def / 84 SpD  
Careful Nature  
- Waterfall  
- Earthquake  
- Ice Punch  
- Outrage  

Genesect @ Rocky Helmet  
Ability: Download  
EVs: 252 HP / 136 Def / 96 SpA / 24 Spe  
Modest Nature  
- Ice Beam  
- Bug Buzz  
- Psychic  
- Quick Attack