Ohhhhhh this is promising! Love to see a non-videogame game in the jam, I just wish I had thought of it first, haha- it'll be interesting to see how you plan on balancing the systems together.
Hey, if you do one, I won't think you're copying! :P It's mentioned in the FAQ, I believe.
...and yeah, it'll be interesting to see how I balance the systems for me, too.