Ditto @ Choice Scarf
Ability: Imposter
EVs: 252 HP / 4 Atk / 252 Def
Relaxed Nature
IVs: 0 Atk
- Transform

Arceus-Dark @ Dread Plate
Ability: Multitype
EVs: 252 HP / 4 Def / 252 Spe
Timid Nature
IVs: 0 Atk
- Refresh
- Calm Mind
- Recover
- Judgment

Necrozma-Dusk-Mane @ Leftovers
Ability: Prism Armor
EVs: 252 HP / 4 Atk / 252 Def
Impish Nature
- Stealth Rock
- Sunsteel Strike
- Toxic
- Morning Sun

Rayquaza-Mega @ Choice Band
Ability: Delta Stream
EVs: 252 Atk / 4 SpD / 252 Spe
Jolly Nature
- Dragon Ascent
- Extreme Speed
- V-create
- Waterfall

Arceus @ Life Orb
Ability: Multitype
EVs: 252 Atk / 4 SpD / 252 Spe
Jolly Nature
- Swords Dance
- Extreme Speed
- Shadow Claw
- Facade

Arceus-Fairy @ Pixie Plate
Ability: Multitype
EVs: 252 HP / 252 Def / 4 SpA
Bold Nature
IVs: 0 Atk
- Judgment
- Recover
- Defog
- Toxic