Beaten her so many times it is more frustrating that the RNG won't drop a card more than actually beating her. Seriously that is the worst part of playing her. But like Myon said you can usually bait her with bad cards and most of the time she will use a power house card which leaves the weak spot open so you can flip that card on top of flipping your captured card back. However tho sometimes strategy can backfire and you paint yourself into a corner so to speak. One thing I have noticed is if you try to play smart it feels as tho she plays smart. But if you just slap cards in order on the board you will notice she will place her cards in somewhat of a pattern but it's nothing to really go by since Chaos usually determines how that pattern will work.