Suicune @ Leftovers  
Ability: Prankster  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpD  
Sassy Nature  
IVs: 0 Spe  
- Flip Turn  
- Haze  
- Recover  
- Glare  

Regigigas @ Toxic Orb  
Ability: Poison Heal  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpD / 252 Spe  
Jolly Nature  
- Facade  
- U-turn  
- Knock Off  
- Spikes  

Heatran @ Assault Vest  
Ability: Regenerator  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpA / 252 SpD / 232 Spe  
Sassy Nature  
- U-turn  
- Nuzzle  
- Spectral Thief  
- Blue Flare  

Eternatus @ Life Orb  
Ability: Sheer Force  
EVs: 252 HP / 252 Def / 220 SpA / 252 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Blue Flare  
- Nasty Plot  
- Core Enforcer  
- Sludge Wave  

Xerneas @ Heavy-Duty Boots  
Ability: Pixilate  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Modest Nature  
- Strength Sap  
- Nasty Plot  
- Boomburst  
- Rapid Spin  

Zamazenta-Crowned @ Rocky Helmet  
Ability: Fur Coat  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpD / 252 Spe  
Impish Nature  
- Low Kick  
- Anchor Shot  
- Roost  
- Stealth Rock