Karma (Eternatus) (M) @ Black Sludge  
Ability: Fur Coat  
EVs: 252 HP / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Bold Nature  
IVs: 0 Atk  
- Dynamax Cannon  
- Roost  
- Entrainment  
- Lava Plume  

This is a Jolteon (Zamazenta-Crowned) @ Leftovers  
Ability: Ice Scales  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpD / 252 Spe  
Careful Nature  
- Anchor Shot  
- Defog  
- Spectral Thief  
- Soft-Boiled  

Next Up Forever (Zamazenta) @ Toxic Orb  
Ability: Poison Heal  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpD / 252 Spe  
Jolly Nature  
- Body Press  
- Knock Off  
- Cotton Guard  
- Will-O-Wisp  

Dear Winter (Mandibuzz) @ Heavy-Duty Boots  
Ability: Prankster  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpD  
Relaxed Nature  
IVs: 0 Spe  
- Court Change  
- Recover  
- Destiny Bond  
- Anchor Shot  

Finale (Mewtwo) @ Life Orb  
Ability: Lightning Rod  
EVs: 252 HP / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Shell Smash  
- Electrify  
- Photon Geyser  
- Earth Power  

Birthday Party (Primarina) @ Leftovers  
Ability: Fur Coat  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Bold Nature  
- Slack Off  
- Scald  
- Spectral Thief  
- King's Shield