Please rate my Mega Slowbro team

Question

Hey guys, I appreciate all the feedback I can get! Thanks

Slowbro @ Slowbronite
Ability: Oblivious
EVs: 252 HP / 240 Def / 16 SpD
Bold Nature
- Amnesia
- Psyshock
- Scald
- Slack Off

Hydreigon @ Leftovers
Ability: Levitate
EVs: 252 HP / 4 Atk / 252 Def
Impish Nature
- Thunder Wave
- Dragon Pulse
- Roost
- U-turn

Tentacruel @ Black Sludge
Ability: Clear Body
EVs: 252 HP / 4 SpA / 252 SpD
Calm Nature
- Scald
- Sludge Bomb
- Toxic Spikes
- Rapid Spin

Clefable @ Leftovers
Ability: Magic Guard
EVs: 252 HP / 132 Def / 124 SpD
Impish Nature
- Cosmic Power
- Seismic Toss
- Toxic
- Moonlight

Conkeldurr @ Assault Vest
Ability: Guts
EVs: 252 HP / 152 Def / 104 SpD
Sassy Nature
- Mach Punch
- Drain Punch
- Earthquake
- Knock Off

Chandelure @ Choice Scarf
Ability: Flash Fire
EVs: 4 HP / 252 SpA / 252 Spe
Modest Nature
- Shadow Ball
- Flamethrower
- Energy Ball
- Dark Pulse

Comments

I see, but your Hydreigon is messed up. Use Garchomp if you want a defensive dragon-type, Hydreigon's typing does it no good defensively but a Fighting-, Bug-, Dragon-, and Fairy-type weakness, all of which are pretty common.

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Thank you for the feedback, I'm using a defensive Hydragon because I have seen one used before, and it pairs well with tenticruel. The both cancel out each other's weakness', (Except Dragon, but I have a fairy type). Any thoughts on this?

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Didn't ShadyPenguinn or some Poketuber use that Tentacruel + Hydregeion core?