Is there any way that i caould improve my RU team?

Question

Gligar @ Eviolite
Ability: Immunity
EVs: 252 HP / 200 Def / 56 Spe
Impish Nature
- Roost
- Stealth Rock
- Earthquake
- Toxic

Mandibuzz @ Rocky Helmet
Ability: Overcoat
EVs: 248 HP / 76 Def / 184 Spe
Impish Nature
IVs: 0 Atk
- Taunt
- Toxic
- Roost
- Foul Play

Umbreon @ Leftovers
Ability: Synchronize
Shiny: Yes
EVs: 252 HP / 252 Def / 4 SpD
Bold Nature
IVs: 0 Atk
- Wish
- Protect
- Heal Bell
- Foul Play

Milotic @ Flame Orb
Ability: Marvel Scale
EVs: 252 HP / 252 Def / 4 SpD
Bold Nature
- Scald
- Recover
- Toxic
- Dragon Tail

Snorlax @ Figy Berry
Ability: Gluttony
EVs: 188 HP / 36 Atk / 176 Def / 108 SpD
Careful Nature
- Curse
- Recycle
- Facade
- Amnesia

Cresselia @ Leftovers
Ability: Levitate
EVs: 252 HP / 112 Def / 144 Spe
Bold Nature
- Moonlight
- Psychic
- Psycho Shift (to deal with status)
- Toxic
Any way you could improve this team would be greatly appreciated.

                   Thank you.

Comments

Stall team with sweeper like Snorlax is not good.

---

Is this for RU?

---

and Snorlax can actually be very good at stalling if it runs a berry/recycle set due to glutony. Recycle is almost like recover only used in advance.

---

And yes it is RU

---

Snorlax is better with thick fat, leftovers, and rest.