Rate my Rainbow Terrain Team!

[WeeWeeBaguette]

Um, I don't really have an explanation for each of my pokemon here. It's more or less a stall-ish team that relies on the rainbow terrain to get more consistent Diancie diamond storm buffs.

Here's the team:

Skeledirge @ Focus Sash
Ability: Blaze
Tera Type: Ground
EVs: 104 HP / 252 SpA / 132 SpD / 20 Spe
Modest Nature
IVs: 0 Atk
- Torch Song
- Hex
- Will-O-Wisp
- Fire Pledge

Samurott-Hisui @ Mystic Water
Ability: Sharpness
Tera Type: Flying
EVs: 252 Atk / 72 Def / 184 SpD
Brave Nature
IVs: 0 Spe
- Water Pledge
- Aqua Cutter
- Ceaseless Edge
- Flip Turn

Sneasler @ Eject Button
Ability: Poison Touch
Tera Type: Poison
EVs: 252 Atk / 120 Def / 136 SpD
Relaxed Nature
IVs: 0 Spe
- Dire Claw
- Brick Break
- Acrobatics
- Rock Slide

Hatterene @ Focus Sash
Ability: Magic Bounce
Tera Type: Fairy
EVs: 224 HP / 80 Def / 128 SpA / 76 SpD
Quiet Nature
IVs: 0 Spe
- Trick Room
- Nuzzle
- Mystical Fire
- Light Screen

Diancie @ Leftovers
Ability: Clear Body
Tera Type: Fairy
EVs: 252 Def / 4 SpA / 252 SpD
Quiet Nature
IVs: 0 Spe
- Diamond Storm
- Substitute
- Calm Mind
- Moonblast

Alomomola @ Focus Sash
Ability: Regenerator
Tera Type: Flying
EVs: 252 HP / 140 Def / 116 SpD
Sassy Nature
IVs: 0 Spe
- Wish
- Flip Turn
- Protect
- Waterfall

Any tips to improve the team would be much appreciated!

 

[awyp]

I am locking your RMT for the time being as the forum rules require that you provide at least three lines of descriptions for each Pokemon to explain their roles. Please read the rules carefully and look at Team Showcase to see the detail we require. PM me with updated descriptions, and I will be happy to unlock this. Also, feel free to PM me if you need help or have any question. Have a nice day!

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Tips to help get 3 lines of description

Why did you choose this Pokemon?
What do the EV spreads do and why do you have it?
What are all 4 moves for?