hmm... You may as well roll.  If PP has the dex boost, you'll make the rolls, no matter what.  If he doesn't, well, we have to try, so we may as well.  (If you fail, this way, Phantom Might have time to retroactively state, yes, he does have that ability, and so, no, Sam didn't fail, and Kasumi didn't need an action point.)<br/><br/>If he can't get it and you fail... well, then tap yourself with the wand before anything goes wrong, using your readied action.  (We're moving slowly enough that  readied action each round to tap yourself with the wand would be fine.)  Then the Zombie you bump into will have at most a single swing, and only if he beats your initiative, before you are out of sight, out of mind.