Mewtwo-Mega-Y @ Mewtwonite Y
Ability: Insomnia
EVs: 156 HP / 200 SpD / 152 Spe
Timid Nature
- Psych Up
- Psystrike
- Recover / Grass Knot
- Fire Blast

Zekrom @ Shuca Berry
Ability: Teravolt
EVs: 116 HP / 252 Atk / 140 Spe
Adamant Nature
- Bolt Strike
- Dragon Claw
- Toxic
- Tailwind

Latias @ Soul Dew
Ability: Levitate
EVs: 216 HP / 156 SpA / 136 Spe
Timid Nature
- Draco Meteor
- Defog
- Psyshock
- Roost

Arceus @ Spooky Plate
Ability: Multitype
EVs: 248 HP / 8 SpA / 252 Spe
Timid Nature
- Judgment
- Will-O-Wisp
- Recover
- Calm Mind

Kyogre @ Blue Orb
Ability: Drizzle
EVs: 4 Def / 252 SpA / 252 Spe
Modest Nature
- Origin Pulse
- Ice Beam
- Thunder
- Calm Mind

Groudon @ Red Orb
Ability: Drought
EVs: 248 HP / 92 Atk / 52 SpD / 116 Spe
Adamant Nature
- Stealth Rock
- Earthquake
- Rock Slide
- Thunder Wave