Curse you, non-SRD material!

[Dhavaer]

I wanted to ask if the 'Magic Defence' series of feats from the Modern Player's Companion would be balanced for D&D, but then realised that I can't tell anyone what they do because they aren't OGL.
Does anyone else have the book, and can help me with this?

[Yuki Akuma]

You can tell us what it does. You just can't copy it word-for-word from the book.

Just tell us what it does in the vaguest way possible and you won't get shot down by the Spooky Wizard. ;)