I like it! In a way it's like a slightly different Curious Glimmerroot where you are likely to get a worse card but you are sure to get one in case your opponent is playing a different deck than expected.
thats as good as azure drake was ... will see 100% rogue deck play!
Slow down butterfly. Azure Drake had spell damage and had the benefit of giving you a card you wanted (because you put it in the deck, y'know). This on the other hand can die a little more easily and has the problem that the card might be bad. Don't get me wrong though, it's very good. Just not as OP as Azure Drake.