Yveltal @ Steelium Z  
Ability: Unaware  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Timid Nature  
- Anchor Shot  
- Quiver Dance  
- Oblivion Wing  
- Shore Up  

Gengar-Mega @ Spooky Plate  
Ability: Regenerator  
EVs: 252 HP / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Tail Glow  
- Judgment  
- Fleur Cannon  
- Stealth Rock  

Giratina @ Leftovers  
Ability: Magic Bounce  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpA / 252 SpD / 28 Spe  
Relaxed Nature  
- Spectral Thief  
- Core Enforcer  
- U-turn  
- Shore Up  

Xerneas @ Toxic Orb  
Ability: Poison Heal  
EVs: 252 HP / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Quiver Dance  
- Moonblast  
- Will-O-Wisp  
- Spikes  

Chansey (F) @ Eviolite  
Ability: Imposter  
Happiness: 0  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpD / 252 Spe  
Jolly Nature  
- Anchor Shot  
- Haze  
- Purify  
- Rest  

Kyogre-Primal @ Assault Vest  
Ability: Regenerator  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpA / 252 SpD  
Sassy Nature  
IVs: 0 Spe  
- Knock Off  
- Revelation Dance  
- Spectral Thief  
- U-turn