Rate my Gen6 OU Stall Team!

Question

Skarmory @ Leftovers
Ability: Sturdy
EVs: 252 HP / 252 Def / 4 Spe
Impish Nature
- Brave Bird
- Stealth Rock
- Whirlwind
- Roost

Chansey @ Eviolite
Ability: Natural Cure
EVs: 4 HP / 252 Def / 252 SpD
Bold Nature
IVs: 0 Atk
- Seismic Toss
- Soft-Boiled
- Toxic
- Heal Bell

Sableye @ Leftovers
Ability: Prankster
EVs: 252 HP / 4 Def / 252 SpD
Calm Nature
IVs: 0 Atk
- Will-O-Wisp
- Recover
- Foul Play
- Taunt

Tentacruel @ Black Sludge
Ability: Rain Dish
EVs: 252 HP / 252 Def / 4 SpD
Bold Nature
IVs: 0 Atk
- Toxic Spikes
- Scald
- Haze
- Rapid Spin

Chesnaught @ Leftovers
Ability: Bulletproof
EVs: 252 HP / 4 Atk / 252 Def
Impish Nature
- Spikes
- Leech Seed
- Drain Punch
- Spiky Shield

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

Famous SkarmBliss (in this case chansey) combo
Sableye for spinblocking and priority to recover and will o wisp to stop other walls
Tentacruel sets up toxic spikes, has rapid spin, and can haze
Chesnaught sets up spikes and leech seed
Sigilyph gives status protection with the flame orb + magic guard (and i just really wanted to use it XD

EDIT: DECIDED TO CHANGE SIGILYPH FOR UMBREON FOR WISH SUPPORT.

Soo... How does this team look? :P

Comments

This will probably help more than a team rate. https://docs.google.com/document/d/1qYztMbBTY0qm4mFy1-66bafgsVQ2gkeErAO3QUghEBY/edit?usp=sharing

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I think they're very good Supp mons on their own but together as a team they seem highly susceptible to Taunt and a lot of their skills are redundant. I don't think Umbreon needs Heal Bell since your Chansey already has it covered or that Chansey needs Toxic. I think Chansey should run either Thunder Wave, or something else entirely, since you already have Toxic Spikes. Same goes for your Sableye. It's cool that you want to keep your status inflicts wide, but remember: You can't inflict status on Pokes already poisoned.

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In Generation 6 OU, pretty much the only way to deal with taunt is to use a regenerator Pokemon and switch it out when it gets taunted. Also, thunder wave isn't very good on stall teams because paralyzed Pokemon can't be poisoned.

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So what mons should a replace or change to make the team better altogether?

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Skarmory and Chansey are the only two Pokemon that you CAN keep. You should probably re-build the team.