Originally Posted by
Skeggi
Well, you could ask yourself if you'd not rather have a Jitte against the mirror. The general blue based match-up is a good one, so I personally don't have any sideboard cards against them. I prefer improving the match-up against anything that's red. So far all you have are 4 blasts and Kira. I would either up that count or add something else that would help, like Threads of Disloyalty.
I wouldn't go for a Selkie in my 75 anyway. And I've tried Llawan and she was a big let-down. She's supposed to be good against the mirror, but she's not: she's slow and doesn't stop Aether Vial, and if your opponent steals her, she really starts to get annoying.