Vandyn
Blackwing Lair Raider
I use him in my mage secrets deck. I agree it's all about bringing him out at the right time, there have been a few cases where I still had him in hand for multiple turns because there was never an ideal situation to bring him out that utilizes his potential. If a belcher is already on the board, it's usually GG assuming the opponent has minions on the board to attack with.