Rayquaza @ Leftovers
Trait: Air Lock
EVs: 40 HP / 252 Atk / 216 Spd
Adamant Nature (+Atk, -SAtk)
- Dragon Dance
- Substitute
- Dragon Claw
- Earthquake

Groudon @ Leftovers
Trait: Drought
EVs: 252 HP / 8 Atk / 80 Def / 156 SDef / 12 Spd
Careful Nature (+SDef, -SAtk)
- Earthquake
- Stealth Rock
- Fire Punch
- Roar

Xatu (F) @ Leftovers
Trait: Magic Bounce
EVs: 252 HP / 4 Def / 252 SDef
Calm Nature (+SDef, -Atk)
- Thunder Wave
- Heat Wave
- Roost
- U-turn

Reshiram @ Choice Specs
Trait: Turboblaze
EVs: 4 HP / 252 SAtk / 252 Spd
Modest Nature (+SAtk, -Atk)
- Draco Meteor
- Dragon Pulse
- Fusion Flare
- Blue Flare

Ferrothorn (M) @ Leftovers
Trait: Iron Barbs
EVs: 252 HP / 48 Def / 208 SDef
Careful Nature (+SDef, -SAtk)
- Spikes
- Leech Seed
- Power Whip
- Protect

Tentacruel (M) @ Black Sludge
Trait: Rain Dish
EVs: 252 HP / 144 Def / 60 SDef / 52 Spd
Calm Nature (+SDef, -Atk)
- Toxic
- Rapid Spin
- Scald
- Knock Off