Deo-S lead + 4 sweepers

Deoxys-Speed @ Focus Sash
Ability: Pressure
EVs: 248 HP / 8 SpD / 252 Spe
Timid Nature
IVs: 0 Atk
- Stealth Rock
- Spikes
- Taunt
- Thunder Wave

Groudon-Primal @ Red Orb
Ability: Desolate Land
EVs: 252 HP / 192 Atk / 48 SpD / 16 Spe
Adamant Nature
- Rock Polish
- Swords Dance
- Precipice Blades
- Dragon Claw

Salamence-Mega @ Salamencite
Ability: Intimidate
EVs: 40 HP / 252 Atk / 216 Spe
Adamant Nature
- Double-Edge
- Earthquake
- Dragon Dance
- Roost

Arceus @ Life Orb
Ability: Multitype
EVs: 252 HP / 252 Atk / 4 SpD
Adamant Nature
- Swords Dance
- Extreme Speed
- Shadow Claw
- Brick Break

Xerneas @ Power Herb
Ability: Fairy Aura
Shiny: Yes
EVs: 196 Def / 252 SpA / 60 Spe
Modest Nature
IVs: 0 Atk
- Geomancy
- Moonblast
- Sleep Talk

Lugia @ Leftovers
Ability: Pressure
EVs: 252 HP / 4 SpD / 252 Spe
Timid Nature
IVs: 0 Atk
- Toxic
- Defog
- Whirlwind
- Roost