i think it would be interesting to allow each Ojisan to be in charge of distribution. some would freely hand out their cards to any who ask, while some might be

i think it would be interesting to allow each Ojisan to be in charge of distribution. some would freely hand out their cards to any who ask, while some might be more "stingy", awarding cards only to youth who impressed them. the game designer could periodically restock the Ojisan's supply and each generation of cards could be mechanically rebalanced to reflect the observed rarity.