I bought this trick long ago and I regard it to be one of the best card tricks I've ever had. Recently I've lost the deck and want to buy the trick again, only I don't know what it's called, hopefully you guys can help me.

The trick goes like this:
I ask someone to think of a card, they tell me it. I then fan out the deck and their card is the only one that is face down.
How it works:
[Edited out: Sorry for posting it]
Can anyone tell me what this trick is called or where I could purchase it online? As far as I know it won't work with normal Bicycle cards (I've tried).
Thanks in advance!