Xerneas @ Power Herb  
Ability: Fairy Aura  
Level: 50  
EVs: 156 HP / 20 Def / 252 SpA / 4 SpD / 76 Spe  
Modest Nature  
IVs: 0 Atk  
- Draining Kiss  
- Thunder  
- Moonblast  
- Geomancy  

Dragapult @ Life Orb  
Ability: Infiltrator  
Level: 50  
EVs: 252 Atk / 4 Def / 252 Spe  
Adamant Nature  
- Darkest Lariat  
- Phantom Force  
- Fire Blast  
- Dragon Dance  

Quagsire @ Rocky Helmet  
Ability: Unaware  
Level: 50  
EVs: 252 HP / 252 Def / 4 SpD  
Impish Nature  
- Earthquake  
- Protect  
- Toxic  
- Recover  

Chansey (F) @ Eviolite  
Ability: Natural Cure  
Level: 50  
EVs: 60 HP / 252 Def / 68 SpD / 124 Spe  
Bold Nature  
- Seismic Toss  
- Charm  
- Thunder Wave  
- Soft-Boiled  

Thundurus (M) @ Focus Sash  
Ability: Prankster  
Level: 50  
EVs: 100 Atk / 196 SpA / 212 Spe  
Naive Nature  
- Thunderbolt  
- Superpower  
- Foul Play  
- Thunder Wave  

Celesteela @ Leftovers  
Ability: Beast Boost  
Level: 50  
EVs: 252 HP / 4 Atk / 196 Def / 4 SpD / 52 Spe  
Impish Nature  
- Heavy Slam  
- Flamethrower  
- Leech Seed  
- Substitute