I need a new pokemon for my OU team

Question

So I have been making a new team for OU laddering, and I need a final pokemon. Also, if you have any suggestions to change the team, please tell me.

SleepCreep 2.0 (Sableye-Mega) @ Sablenite
Ability: Prankster
EVs: 252 HP / 200 Def / 56 SpA
Bold Nature
IVs: 0 Atk
- Calm Mind
- Will-O-Wisp
- Recover
- Shadow Ball

LivingGengar (Clefable) @ Leftovers
Ability: Unaware
EVs: 252 HP / 252 Def / 4 SpA
Bold Nature
IVs: 0 Atk
- Soft-Boiled
- Thunder Wave
- Calm Mind
- Moonblast

Fairy Who? (Heatran) @ Choice Specs
Ability: Flash Fire
EVs: 200 HP / 56 SpA / 252 Spe
Modest Nature
IVs: 0 Atk / 30 Def
- Dark Pulse
- Hidden Power [Ice]
- Lava Plume
- Flash Cannon

WhySoSerious (Landorus-Therian) @ Choice Scarf
Ability: Intimidate
EVs: 200 HP / 128 Atk / 80 SpD / 100 Spe
Adamant Nature
- Stealth Rock
- Earthquake
- Knock Off
- U-turn

/\/ / /\/ _/ /\ (Weavile) @ Life Orb
Ability: Pressure
EVs: 252 Atk / 4 Def / 252 Spe
Adamant Nature
- Icicle Crash
- Knock Off
- Low Kick
- Fake Out

Comments

I'm pretty sure no OU Pokemon can just sit there and take hits from anything. As far as I know, all forms of stalling involve predicting switches and coverage moves.

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"For example, if I only have one or two taunt users on my team, I will need to make sure they're in whenever there's a calm mind Clefable."
This is not momentum. You've exactly described what stall is- simply sending out a counter to whatever's on the field. If Clefable comes out, then you just send them out as well and Taunt. There's very little risk and prediction in doing so. And while stall does need some sort of skill and prediction (otherwise it would be completely broken, as players with 0 skill could utilize it) you usually need less prediction and skill for stall than other playstyles.

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Yeah, but in some cases, like Manaphy, I need to send in a taunt user before it gets one turn to set up. Unfortunately, my stall team is built so that it can also only take Clefable if it has no special attack boosts at all, so the same goes with Clefable.

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Unware Clef will do wonders for you. In fact, most stall teams have an Unaware Pokemon because it is easy for opposing teams to gain momentum on them.

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Sorry, but I can't use fairy Pokemon or fairy moves. I'm willing to remain low ladder to enforce this policy.