Groudon @ Choice Band  
Ability: Adaptability  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpD / 252 Spe  
Jolly Nature  
- Thousand Arrows  
- Precipice Blades  
- U-turn  
- Trick  

Eternatus @ Expert Belt  
Ability: Adaptability  
EVs: 252 HP / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Modest Nature  
IVs: 0 Atk  
- Sludge Bomb  
- Draco Meteor  
- Blue Flare  
- Volt Switch  

Zamazenta-Crowned @ Leftovers  
Ability: Ice Scales  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpD / 252 Spe  
Careful Nature  
- Anchor Shot  
- Imprison  
- Transform  
- Slack Off  

Lunala @ Rocky Helmet  
Ability: Fur Coat  
EVs: 252 HP / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Bold Nature  
- Nuzzle  
- Hex  
- Core Enforcer  
- Shore Up  

Ho-Oh @ Heavy-Duty Boots  
Ability: Aerilate  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpD / 252 Spe  
Adamant Nature  
- Rapid Spin  
- Extreme Speed  
- V-create  
- Recover  

Zygarde-Complete @ Leftovers  
Ability: Prankster  
EVs: 252 HP / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Calm Nature  
IVs: 0 Atk  
- Substitute  
- Baton Pass  
- Recover  
- Entrainment