I had someone mention HFC at our City Champs today also, but it has two things going "against" it. One is that it is a 3 threshold. The 1 threshold on Hunte is pretty crucial, as if you draw a HFC and NOT Hunte, you won't be doing those extra points of damage. It adds up, really. Secondly, HFC isn't a static effect like Hunte castle is. While it won't be relevant ALL the time, it can be relevant enough times for it to matter. Much like CSA, Hunte castle esentially works while defending as well, since it gives the bonus to all your hidden characters, regardless of their status in combat.

Ah, see, I knew there was a reason for it.