does xizor get to look at the crit before passing? i would assume not

does xizor get to look at the crit before passing? i would assume not

being dealt a face-up damage card resolves after an uncancelled Kaboom

No, he can't. You have to decide who suffers the critical, then the chosen ship recieves the face-up card, if no shield tokens are present on it.

Xyzor's ability is pretty similar to "Draw their fire".