Nightmare (Deoxys-Speed) @ Light Clay
Ability: Pressure
Shiny: Yes
EVs: 248 HP / 8 Def / 252 Spe
Timid Nature
IVs: 0 Atk
- Reflect
- Light Screen
- Taunt
- Stealth Rock

Nightmare (Rayquaza) @ Life Orb
Ability: Air Lock
EVs: 252 Atk / 4 SpA / 252 Spe
Hasty Nature
- Draco Meteor
- V-create
- Dragon Ascent
- Extreme Speed

Nightmare (Arceus) @ Silk Scarf
Ability: Multitype
Happiness: 0
EVs: 252 Atk / 4 Def / 252 Spe
Jolly Nature
- Swords Dance
- Frustration
- Extreme Speed
- Earthquake

Nightmare (Arceus) @ Life Orb
Ability: Multitype
EVs: 252 Atk / 4 SpD / 252 Spe
Jolly Nature
- Swords Dance
- Extreme Speed
- Earthquake
- Stone Edge

Nightmare (Xerneas) @ Power Herb
Ability: Fairy Aura
EVs: 144 HP / 28 Def / 252 SpA / 84 Spe
Modest Nature
IVs: 0 Atk
- Geomancy
- Focus Blast
- Moonblast
- Thunder

Nightmare (Arceus-Ghost) @ Ghostium Z
Ability: Multitype
EVs: 252 Atk / 4 Def / 252 Spe
Jolly Nature
- Swords Dance
- Shadow Force
- Extreme Speed
- Brick Break