Feels like somethings off about my OU stall Team

Question

So my OU Stall list that i use for local games and events (which all have a no legendary rule) currently looks like this.

1. Ferrothorn
   Item - Rocky Helmet
   Nature - Relaxed
   Moves - ~ Stealth Rock

    ~ Leech Seed
    ~ Power Whip
    ~ Gyro Ball
   

   EV's 252HP/ 48Def / 208SpD

Role: big bulky wall for setting up stealth rock and waiting everything out

1. Jellicent
   Item - Leftovers
   Nature - Calm
   Ability - Water Absorb
   Moves - ~ Scald

    ~ Recover
    ~ Will - O - Wisp
    ~ Shadow Ball
   

   EV's 250HP / 36Def / 222SpD

Role: Special Tank/Starmie removal Engine (very important here)/compliment to skarmory/ferrothorn

1. Skarmory
   Item - Shed Shell
   Nature - Impish
   Ability - Sturdy
   EV's 224hp / 252Def / 32 SpD
   Moves ~ Spikes
   ~ Roost
   ~ Whirlwind
   ~ Brave Bird

Role: Physical Wall with the ability to shuffle opponents pokemon into hazard damage with WW

1. Tenticruel
   Item - Black Sludge
   Ability - Rain Dish
   Nature - Timid
   EV's 248hp / 244Def / 16Spe
   Moves - ~ Rapid Spin

    ~ Toxic
    ~ Scald
    ~ Protect
   

Role: Sinner/Status dealer

1. Blissey
   Item - Leftovers
   Ability - Natural Cure
   Nature - Calm
   EV's 4hp / 252Def / 252SpD
   Moves - ~ Wish

    ~ Aromatherapy
    ~ Toxic
    ~ FlameThrower
   

Role: Cleric/Special Wall/ Basic Blissedin stuff

1. Tyranitar
   Item - Focus Sash
   Ability - UNNERVE
   Nature - Hasty
   EV's 4ATK / 252SpA / 252Spe
   Moves - ~ Crunch

    ~ Roar
    ~ Stealth Rock
   

   ~ Low Kick

Role: Lead/use roar to trigger hazards/Deal with Ghost/Kangaskhan issues

so thats my list ive been running for a while now. I feel like its pretty well explained and works decently enough EXCEPT tyranitar. It always feels like i could get a whole lot more use out of that slot but for the life of me I cant figure out what with. (Ive tried a few things to no avail) Part of it is that a large reason he is in the list at all is because a Friend of mine runs an all Ghost team just to throw a wrench in peoples plans which turned out to be weirdly effective (a lot of the players in the area are not too good)

The other part is because there is a disturbing influx of mega kangaskhan around lately.

Im also not completely thrilled with blissey either but when shes actually needed she deffinately pulls her weight.

Any suggestions would be greatly appreciated.

NOTE: I usually play in local tournaments and with people around college and while I will go to events and stuff I tend to stay away from anything super competetive.

Comments

if u want a stalling pokemon train a female furfrou holding a red card and have it know these moves: 1. sand attack/flash whichever u prefer, 2. attract, 3.substitute, and 4. giga impact. its great in a singles battle once u've used moves like stealth rock and spikes I recommend it for ur team it'll stall out for at least until the opponents hp is 3 quarters depleted and I suggest replacing tentacruel's toxic for toxic spikes for full affect of furfrou

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You have a great team