Starting July 30th, you will no longer be able to log in to a Curse account that was not merged with a Twitch account. If you have not yet merged your Curse account with a Twitch account, please do so here! Otherwise, your account and its content will be inaccessible.
4/10 for 4 mana? That's a full blown Twilight Drake. Wow. Alas, you will rarely get the effect on turn 4, tho. Even without it it's still a Yeti and will never really cost you a game or anything. Since C'Thun also gains attack when he is dead, you will trigger her eventually. Pretty solid overall.