I can't help feeling blizz didn't discover turtle mage when they were testing the cards from this set. I think they're jsut lucky that it's a boring deck to play and quite a hard deck to play when you're managing hand and board space.
It's boring coupled with a healthy dose of being generally terrible for the most part unless you highroll like crazy. 9/10 you're dead long before you assemble the necessary pieces. And that's assuming you don't misclick and choose the wrong spell, destroying your combo completely. lol (I've seen people make this error loads of times)