Aerodactyl @ Focus Sash  
Ability: Unnerve  
EVs: 252 HP / 4 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Stealth Rock  
- Taunt  
- Defog  
- Tailwind  

Yveltal @ Life Orb  
Ability: Dark Aura  
EVs: 252 Atk / 4 SpD / 252 Spe  
Jolly Nature  
- Sucker Punch  
- Knock Off  
- Dual Wingbeat  
- Taunt  

Xerneas @ Power Herb  
Ability: Fairy Aura  
EVs: 4 HP / 252 SpA / 252 Spe  
Modest Nature  
- Geomancy  
- Moonblast  
- Focus Blast  
- Rock Slide  

Calyrex-Shadow @ Focus Sash  
Ability: As One (Spectrier)  
EVs: 252 SpA / 4 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Astral Barrage  
- Psyshock  
- Draining Kiss  
- Nasty Plot  

Marshadow @ Life Orb  
Ability: Technician  
EVs: 252 Atk / 4 SpD / 252 Spe  
Adamant Nature  
- Close Combat  
- Poltergeist  
- Shadow Sneak  
- Bulk Up  

Eternatus @ Power Herb  
Ability: Pressure  
EVs: 124 HP / 252 SpA / 132 Spe  
Modest Nature  
IVs: 0 Atk  
- Dynamax Cannon  
- Meteor Beam  
- Flamethrower  
- Agility