Should I pull more on the Collab?

I got lucky and got the Wing and rainbow-ring from both suits in 40 pulls with free pulls (no Dress or Reflection for either tho)

And I got less than 4000 dias left...

Do you guys think I'll be able to get the Dress in like 30 more pulls, or just leave it as is.

Since I have no idea what other events are coming up... if I should save that 4000 dias or not. And since this is a collab, so it probably won't return again... but sadly I don't think I have enough Dias to complete just one suit either. (so all I can aim is the Dress, but it's RNG...)