Suggestions for my mono ubers team?

Question

(Boo) Arceus-Ghost @ Spooky Plate
Trait: Multitype
EVs: 4 HP / 252 Atk / 252 Spd
Adamant Nature (+Atk, -SAtk)
- Judgment
- Ominous Wind
- Spacial Rend
- Signal Beam

Groudon @ Leftovers
Trait: Drought
EVs: 4 HP / 252 Atk / 252 SAtk
Brave Nature (+Atk, -Spd)
- Earthquake
- Stone Edge
- SolarBeam
- Fire Blast

Garchomp (M) @ Muscle Band
Trait: Sand Veil
EVs: 4 HP / 252 SAtk / 252 Spd
Rash Nature (+SAtk, -SDef)
- Flamethrower
- Dragon Pulse
- Earthquake
- Brick Break

Dialga @ Leftovers
Trait: Pressure
EVs: 128 HP / 252 SAtk / 128 SDef
Modest Nature (+SAtk, -Atk)
- Roar of Time
- Aura Sphere
- Earthquake
- Flash Cannon

(CopyPaste)Mewtwo @ Life Orb
Trait: Pressure
EVs: 4 HP / 252 SAtk / 252 Spd
Timid Nature (+Spd, -Atk)
- Psychic
- Shadow Ball
- Aura Sphere
- Flamethrower

Rayquaza @ Draco Plate
Trait: Air Lock
EVs: 4 HP / 252 Atk / 252 Spd
Jolly Nature (+Spd, -SAtk)
- Earthquake
- Dragon Claw
- Overheat
- ExtremeSpeed

Comments

Garchomp wasn't exactly made Uber to be creative with it, because you can't be. It pretty much has to be physical to operate well, and normally does better with Choice Scarf / Band.