Dialga @ Leftovers  
Ability: Ice Scales  
EVs: 252 HP / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Calm Nature  
- Spikes  
- Shore Up  
- U-turn  
- Doom Desire  

Kartana @ Choice Band  
Ability: Steely Spirit  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpD / 252 Spe  
Jolly Nature  
- Trick  
- V-create  
- Power Whip  
- Sunsteel Strike  

Celesteela @ Shed Shell  
Ability: Primordial Sea  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpA / 252 SpD  
Sassy Nature  
IVs: 0 Spe  
- Defog  
- Recover  
- Topsy-Turvy  
- U-turn  

Zamazenta-Crowned (M) @ Leftovers  
Ability: Fur Coat  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpD / 252 Spe  
Impish Nature  
- Roost  
- Spectral Thief  
- Thunderous Kick  
- Anchor Shot  

Registeel @ Leftovers  
Ability: Prankster  
Level: 99  
EVs: 252 HP / 252 Def / 252 SpA / 252 SpD  
Sassy Nature  
IVs: 0 Atk / 0 Spe  
- Haze  
- Milk Drink  
- Parting Shot  
- Core Enforcer  

Necrozma-Dusk-Mane @ Life Orb  
Ability: Simple  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Adamant Nature  
- Shift Gear  
- Sunsteel Strike  
- Photon Geyser  
- Precipice Blades