Ditto @ Choice Scarf
Ability: Imposter
Shiny: Yes
Happiness: 252
EVs: 248 HP / 8 Atk / 252 Def
Relaxed Nature
IVs: 0 Atk / 0 Spe
- Transform

Necrozma-Dusk-Mane @ Ultranecrozium Z
Ability: Prism Armor
EVs: 252 Atk / 4 SpD / 252 Spe
Jolly Nature
- Swords Dance
- Photon Geyser
- Earthquake
- Stone Edge

Salamence-Mega @ Salamencite
Ability: Aerilate
EVs: 252 Atk / 4 SpD / 252 Spe
Adamant Nature
- Dragon Dance
- Double-Edge
- Facade
- Outrage

Arceus @ Leftovers
Ability: Multitype
EVs: 232 HP / 252 Atk / 24 Spe
Naughty Nature
- Swords Dance
- Extreme Speed
- Substitute
- Shadow Claw

Xerneas @ Power Herb
Ability: Fairy Aura
EVs: 252 SpA / 168 SpD / 88 Spe
Modest Nature
IVs: 0 Atk
- Geomancy
- Moonblast
- Thunder
- Focus Blast

Deoxys-Attack @ Focus Sash
Ability: Pressure
EVs: 4 Atk / 252 SpA / 252 Spe
Hasty Nature
- Ice Beam
- Dark Pulse
- Stealth Rock
- Extreme Speed