Calyrex-Ice @ Leftovers  
Ability: As One (Glastrier)  
EVs: 252 HP / 24 Atk / 188 Def / 44 Spe  
Impish Nature  
- Substitute  
- Iron Defense  
- Body Press  
- Glacial Lance

Xerneas @ Power Herb
Ability: Fairy Aura
EVs: 44 HP / 124 Def / 252 SpA / 88 Spe
Modest Nature
- Geomancy
- Moonblast
- Thunder Wave
- Substitute