Ho-Oh @ Choice Band
Ability: Regenerator
EVs: 252 Atk / 4 SpD / 252 Spe
Jolly Nature
- Brave Bird
- Earthquake
- Sacred Fire
- Toxic
Arceus-Poison @ Poisonium Z
Ability: Multitype
EVs: 248 HP / 80 Def / 84 SpD / 96 Spe
Jolly Nature
- Stealth Rock
- Poison Jab
- Recover
- Will-O-Wisp
Rayquaza-Mega @ Choice Band
Ability: Delta Stream
EVs: 252 Atk / 4 SpD / 252 Spe
Adamant Nature
- Dragon Ascent
- V-create
- Earthquake
- Extreme Speed
Xerneas @ Choice Scarf
Ability: Fairy Aura
EVs: 4 Def / 252 SpA / 252 Spe
Modest Nature
IVs: 0 Atk
- Moonblast
- Aromatherapy
- Defog
- Psyshock
Marshadow @ Life Orb
Ability: Technician
EVs: 252 Atk / 4 SpD / 252 Spe
Jolly Nature
- Close Combat
- Spectral Thief
- Shadow Sneak
- Toxic
Arceus-Dark @ Dread Plate
Ability: Multitype
EVs: 248 HP / 244 Def / 16 Spe
Bold Nature
IVs: 0 Atk
- Judgment
- Recover
- Defog
- Toxic