Beedrill-Mega @ Choice Band  
Ability: Tough Claws  
EVs: 248 HP / 252 Atk / 252 SpD / 252 Spe  
Hasty Nature  
IVs: 6 Def  
- U-turn  
- Sunsteel Strike  
- Close Combat  
- V-create  

Giratina @ Assault Vest  
Ability: Regenerator  
Level: 98  
EVs: 248 HP / 252 Atk / 252 Def / 252 SpD  
Relaxed Nature  
IVs: 0 Spe  
- Spectral Thief  
- Anchor Shot  
- U-turn  
- Diamond Storm  

Groudon @ Red Orb  
Ability: Misty Surge  
EVs: 248 HP / 252 Atk / 252 Def / 252 SpD / 252 Spe  
Careful Nature  
- V-create  
- Shore Up  
- Anchor Shot  
- Bolt Strike  

Zygarde-Complete @ Rocky Helmet  
Ability: Magic Bounce  
Level: 99  
EVs: 248 HP / 252 Atk / 252 Def / 252 SpA / 252 SpD  
Relaxed Nature  
IVs: 0 Spe  
- Defog  
- Shore Up  
- U-turn  
- Core Enforcer  

Kyogre-Primal @ Toxic Orb  
Ability: Poison Heal  
EVs: 248 HP / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Bold Nature  
IVs: 0 Atk  
- Scald  
- Recover  
- King's Shield  
- Moongeist Beam  

Chansey (F) @ Eviolite  
Ability: Imposter  
EVs: 248 HP / 252 Def / 252 SpD / 252 Spe  
Bold Nature  
IVs: 0 Atk  
- Spikes  
- Whirlwind  
- Final Gambit  
- Wish