Celesteela @ Leftovers  
Ability: Speed Boost  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpD / 252 Spe  
Adamant Nature  
- Swords Dance  
- Baneful Bunker  
- Spikes  
- Sunsteel Strike  

Giratina @ Assault Vest  
Ability: Regenerator  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Sassy Nature  
- U-turn  
- Spectral Thief  
- Core Enforcer  
- Earth Power  

Suicune @ Rocky Helmet  
Ability: Magic Bounce  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpD / 252 Spe  
Jolly Nature  
- Anchor Shot  
- Spectral Thief  
- Entrainment  
- Heal Order  

Groudon @ Red Orb  
Ability: Electric Surge  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpD / 252 Spe  
Adamant Nature  
- V-create  
- Stealth Rock  
- Strength Sap  
- Will-O-Wisp  

Yveltal @ Aguav Berry  
Ability: Prankster  
EVs: 252 HP / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Calm Nature  
IVs: 0 Atk  
- Haze  
- Rapid Spin  
- Revelation Dance  
- Will-O-Wisp  

Blissey (F) @ Choice Scarf  
Ability: Imposter  
EVs: 252 HP / 252 Def / 252 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Trick  
- Whirlwind  
- Final Gambit  
- Recover