Tonight we came across a monster (can't remember the name) that said "cards that affect barriers affect this card." One of our group members thought that I could use Shardra's power "When you attempt a check to defeat a barrier, you may use your knowledge skill instead of the listed skill," which raised an interesting question about whether role cards count as cards or if that would strictly be using a power and not a card. I think this idea has been addressed before, but I couldn't find the thread.
Thoughts?