Sounds like there is a LOT of play to this game based on this podcast episode:
http://theblacksun.co.uk/
23/01/17 –
UK Masters Report
ft. Kieran Harper
Both of these guys are playing Ironjaws at the highest level of competitive play, and there was lots of tactics and windows of opportunity for outplay.
And they're using a very 1-dimensional ironjaws list. The strategy is "get into melee range and attack." They found ways to outplay people with that strategy.