S/V Doubles OU Snow + Trick Room

Question

I know the team isn't very well made. I hastily threw this together to see if the premise works.

The Team:

Ninetales-Alola @ Light Clay
Ability: Snow Warning
EVs: 100 HP / 56 Def / 100 SpD / 252 Spe
Timid Nature
IVs: 0 Atk
- Aurora Veil
- Helping Hand
- Encore
- Blizzard

Really the only good Snow Setter.
Aurora Veil for obvious reasons.
Encore punishes Fake Out and Set up leads.

Glaceon @ Leftovers
Ability: Ice Body
Tera Type: Ice
EVs: 252 HP / 252 SpA / 4 SpD
Modest Nature
IVs: 0 Atk / 0 Spe
- Calm Mind
- Blizzard
- Freeze-Dry
- Protect

Deals devastating damage with Blizzard in Snow, especially if it gets off a Calm Mind. With Aurora Veil, Snow boosting Defence, CM boosting Sp.Defence and Leftover + Ice Body recovery, it becomes very hard to remove in Snow. Low Speed is offset by TR.

Ursaluna-Bloodmoon @ Assault Vest
Ability: Mind's Eye
Tera Type: Normal
EVs: 252 HP / 252 SpA / 4 SpD
Modest Nature
IVs: 0 Atk / 0 Spe
- Blood Moon
- Earth Power
- Hyper Voice
- Vaccum Wave

Standard AV Ursaluna (didn't know it was a Smogon set when I made it). I experimented with a Life Orb set but it's lack of special bulk started to cause problems.

Farigiraf @ Sitrus Berry
Ability: Armor Tail
EVs: 252 HP / 4 SpA / 252 SpD
Sassy Nature
IVs: 0 Atk
- Trick Room
- Hyper Voice
- Psychic
- Protect

Trick Room is highly appreciated by Ursaluna, Glaceon and itself. Can pick up KOs despite very little SpA investment.

Chien-Pao @ Choice Band / Focus Sash
Ability: Sword of Ruin
Tera Type: Ghost
EVs: 252 Atk / 4 SpD / 252 Spe
Jolly Nature
- Ice Spinner
- Sacred Sword
- Throat Chop
- Sucker Punch / Protect

Acts as an offensive option outside TR. I'm going back and forth on two sets so I included both. I personally prefer the Choice Band set since I feel like b/w Snow and Aurora Veil, Sash isn't too useful.

Ogerpon-Wellspring (F) @ Wellspring Mask
Ability: Water Absorb
EVs: 52 HP / 252 Atk / 4 SpD / 200 Spe
Adamant Nature
- Ivy Cudgel
- Horn Leech
- Follow Me
- Spiky Shield

The team would just collapse against Water types without it. Follow Me is essential support since three of my Pokemon would appreciate a set up turn.

Problems
1. Sun teams. If there's a way for my team to play against Sun, I don't see it.

1. Might just be Skill Issue but I can never set up TR or Aurora Veil a second time.

Help Needed:
1. You might notice how most of the them don't have a Tera type. I haven't thought too much so help would be appreciated.

1. The EVs in some Pokemon are kinda Random as well. I'm still pretty new to Doubles so I don't know how to use spread EV's ideally.

Answer 1

(I am not an expert just someone who is good at the game)
On paper the team looks great, but yes your matchup into sun is dreadful and your tera types need work so here are my thoughts.
First, I think chien pao does not belong here, chien pao is mainly used for its ability to boost damage but on this team there are no strong physical attackers, one mon that I like that is fast, strong, and good against sun is Iron Boulder. Boulder is very versitile with many moves and sets, and mighty cleave is broken.
Also ursaluna likes a healing item so either give it leftovers or sitrus berry, farigaraf likes the throat spray to boost its damage output. Also a lot of ursaluna like calm mind, but I havent used ursaluna in a long time but thats what ive seen.

Tera Types: Ninetales could like ghost to negate fake out without farigaraf, or fire to reduce damage from steel and fire moves.
Ice on glaceon is good but again fire for ^ or another type bc fire is still weak to rock.
For some reason ppl at the end of VGC in S/V used tera electric on ursaluna... ?
Farigaraf can do a lot of thing basicly whatever you need fire, normal, and dark, and grass are most popular.
Boulder could also do a lot of tera types, depending on its moveset you might want another offensive one but on mine i have grass (originally water).

Comments

Also a weather TRoom team that is not sun (Torkoal) would be difficult to balence,
So good job for making it this far!

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Most Ursaluna I've seen prefer to exploit the ridiculous little-drawback damage of Blood Moon, especially when under a Trick Room timer, rather than recovery for survival, but I only play doubles VGC, so you can take this with a grain of salt