Tarot was later mysteriously resurrected in the X-Force vol. 1 series by Jesse Bedlam's older brother, Christopher "King" Bedlam. Then I believe she died again off panel and was resurrected again during Necrosha and somehow stayed alive. They should totally be able to do that for Synch given his power and potential.
I liked WindDancer. I'd love to see her come back repowered.