Zygarde-Complete @ Safety Goggles  
Ability: Prankster  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpA / 252 SpD  
Relaxed Nature  
IVs: 0 Spe  
- Thousand Waves  
- Core Enforcer  
- Shore Up  
- Haze  

Yveltal @ Safety Goggles  
Ability: Unaware  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpA / 252 SpD / 50 Spe  
Sassy Nature  
- Revelation Dance  
- Spectral Thief  
- Anchor Shot  
- Shore Up  

Registeel @ Leftovers  
Ability: Magic Bounce  
Level: 99  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpA / 252 SpD  
Sassy Nature  
IVs: 0 Spe  
- Slack Off  
- U-turn  
- Poison Fang  
- Core Enforcer  

Dialga @ Steelium Z  
Ability: Fur Coat  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpA / 252 SpD  
Quiet Nature  
IVs: 0 Spe  
- Tail Glow  
- Doom Desire  
- Dragon Tail  /  Whirlwind
- Shore Up  

Kyogre-Primal @ Toxic Orb  
Ability: Poison Heal  
EVs: 252 HP / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Modest Nature  
IVs: 0 Atk  
- Scald  
- Quiver Dance  
- Moonblast  
- Spikes  

Aegislash @ Safety Goggles  
Ability: Flash Fire  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpD  
Sassy Nature  
IVs: 0 Spe  
- Spectral Thief  
- Topsy-Turvy  
- Roost  
- Defog