A Princess Mononoke-inspired Board Game?

Here's a quick overview of the game I'm tinkering with for UnPub4. This could technically be my first board game that could use an actual board! The game focuses on one small valley over the course of several generations, as tribal populations wax and wane, trying to keep a sustainable balance with the local ecosystem. The board is comprised of a 3x3 grid representing a misty valley. In each cell is two randomly drawn cards, one on top of the other. The bottom card is face-down and represents a conditional effect, sort of like "terrain" of the valley. The top card is the actual resource up for bids in an auction. To start the round, each player rolls 3 standard dice. This represents the population of your particular tribe this generation. The lowest total population takes the first turn. On your turn, place one die on a vertex of the grid. You cannot place a die on an occupied vertex. Certain faces have certain abilities based on the reputations you...