Calyrex-Ice @ Choice Scarf  
Ability: As One (Glastrier)  
EVs: 252 Atk / 4 SpD / 252 Spe  
Jolly Nature  
- Glacial Lance  
- Trick Room  
- Protect  
- Trick  

Melmetal @ Choice Band  
Ability: Iron Fist  
EVs: 252 Atk / 252 SpD  
Adamant Nature  
- Double Iron Bash  
- Superpower  
- Thunder Punch  
- Rock Slide  

Dialga @ Leftovers  
Ability: Pressure  
EVs: 252 HP / 4 SpA / 252 SpD  
Calm Nature  
- Rest  
- Dragon Tail  
- Trick Room  
- Stealth Rock  

Xerneas @ Choice Scarf  
Ability: Fairy Aura  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Aromatherapy  
- Moonblast  
- Rest  
- Sleep Talk  

Yveltal @ Heavy-Duty Boots  
Ability: Dark Aura  
EVs: 248 HP / 252 Def / 8 SpA  
Bold Nature  
IVs: 0 Atk  
- Foul Play  
- Oblivion Wing  
- Roost  
- Defog  

Eternatus @ Power Herb  
Ability: Pressure  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Meteor Beam  
- Recover  
- Dynamax Cannon  
- Flamethrower