Has anyone ever run out of D?

We’re currently in Deep D territory, game is running 1.5hrs long so far, we have 4 D-cards left. We checked the almanac and there’s no specific ruling about running out of D. What do you guys think?

We’re currently in Deep D territory, game is running 1.5hrs long so far, we have 4 D-cards left. We checked the almanac and there’s no specific ruling about running out of D. What do you guys think?