YSG Wengine over Sunna?

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With the new banners releasing soon, I want to know what's best to go for, I pulled her on a whim long ago and have not many of the 2.x characters, I currently have 71 pity on character with 5050 and 55 on wengine.

I was wondering if the ysg wengine is more worth than sunna and her wengine for the team overall. My current Polychrome count isn't that high, and I'm trying to save for ramielle, though I will skip her if needed.