Need something to fill the last slot

[Emo Kid Cloudé]

Umbreon (M) @ Leftovers
Trait: Synchronize
EVs: 252 HP / 4 Def / 252 Sdef
Careful Nature (+Sdef, -Satk)
- Wish
- Baton Pass
- Curse
- Payback

Espeon (M) @ Choice Specs
Trait: Synchronize
EVs: 4 HP / 252 Satk / 252 Spd
Timid Nature (+Spd, -Atk)
- Psychic
- Shadow Ball
- Grass Knot
- Hidden Power [Electric]

Skarmory (F) @ Leftovers
Trait: Sturdy
EVs: 132 HP / 252 Def / 124 Spd
Impish Nature (+Def, -Satk)
- Spikes
- Roar
- Brave Bird
- Roost

Garchomp (M) @ Life Orb
Trait: Sand Veil
EVs: 4 HP / 252 Atk / 252 Spd
Jolly Nature (+Spd, -SpAtk)
- Earthquake
- Dragon Claw
- Swords Dance
- Fire Fang

Tyranitar (M) @ Leftovers
Trait: Sand Stream
EVs: 252 HP / 252 Atk / 4 Spd
Adamant Nature (+Atk, -SpAtk)
- Substitute
- Stone Edge
- Crunch
- Dragon Dance

I'm not sure what to use for the last slot. =/

Also, any ideas for what my Espeon's HP should be? I'm guessing either Ice or Electric.

EDIT

Milotic (F) @ Leftovers
Trait: Marvel Scale
EVs: 252 HP / 132 Def / 124 Sdef
Calm Nature (+Sdef, -Atk)
- Surf
- Ice Beam
- Recover
- Toxic

I was thinking of a Milotic to fill in as another wall