In the Global Card Era, Am I a Blank?

The world has entered a harmonious countdown, starting with the rain of cards. Various strange phenomena appear frequently, the original worldview gradually collapses, and the industrial revolution that lasted for hundreds of years was destroyed. All future supplies come from mysterious cards, which can be redeemed for food, water, daily necessities, shelter, various special props, etc., And even various abilities. The advent of a new era puts Gu Yiming, who holds a blank card, at the top of the world. "Is this world going to end?"