Me again.
Is it true that you cannot use ignore/immune to respond to some negative effect done to you to render it useless? Like, for exampe, my opponent targets my rescuing Hero with his False Witnesses (Black EE 2/2, If used by Sadducee, capture a Hero) on his Sadducees card. Can I not respond with making myself ignore/immune to that, with, say, Pillar of Fire (Multicolor GE 3/4, Hero is immune to black and evil gold brigades)?
Which goes with my other question: when you ignore/are immune to a given Character, are you not also ignoring/being immune to Enhancements used by that Character?