Mewtwo-Mega-Y @ Mewtwonite Y
Ability: Insomnia
EVs: 252 SpA / 4 SpD / 252 Spe
Timid Nature
- Psystrike
- Focus Blast
- Shadow Ball
- Taunt

Klefki @ Leftovers
Ability: Prankster
EVs: 248 HP / 8 Atk / 252 SpD
Careful Nature
- Spikes
- Thunder Wave
- Toxic
- Play Rough

Groudon @ Red Orb
Ability: Drought
EVs: 248 HP / 56 Def / 204 SpD
Careful Nature
- Stealth Rock
- Precipice Blades
- Stone Edge
- Lava Plume

Xerneas @ Choice Scarf
Ability: Fairy Aura
EVs: 140 Def / 184 SpA / 184 Spe
Modest Nature
- Moonblast
- Grass Knot
- Rock Slide
- Sleep Talk

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

Lugia @ Leftovers
Ability: Multiscale
EVs: 248 HP / 252 Def / 8 Spe
Bold Nature
- Roost
- Whirlwind
- Toxic
- Ice Beam