You may have gotten some laughs from the irreverent Cards Against Humanity game in the past, but now the people behind the “party game for horrible people” have a higher objective: stop Donald Trump’s border wall. The company bought land on the border and worked with a law firm to make it harder for the Trump administration to act on its plan – and they asked fans to chip in $15 for a piece of the land in their new Cards Against Humanity Saves America campaign.

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Cards Against Humanity doesn’t want to see a United States-Mexico border wall erected, so they’re working to thwart Trump with their recent land purchase. On their campaign page, they said, “Donald Trump is a preposterous golem who is afraid of Mexicans. He is so afraid that he wants to build a twenty-billion dollar wall that everyone knows will accomplish nothing. So we’ve purchased a plot of vacant land on the border and retained a law firm specializing in eminent domain to make it as time-consuming and expensive as possible for the wall to get built.”

Related: Provocative street art installation shows baby peering over US-Mexico border wall

Those who gave Cards Against Humanity $15 earned “six America-saving surprises” during the holidays. The company has been quiet about most of the surprises, but they did say backers could expect an illustrated map of the land they purchased, new cards, and a certificate of their promise to battle Trump’s border wall. Other surprises are set to be delivered in December.

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The campaign seems to have resonated with Americans – The Washington Post reported it sold out in hours.

This isn’t the first time Cards Against Humanity has gotten political, using humor to draw attention to current issues. For example, earlier this year they created a Weed Pack and donated proceeds to the Marijuana Public Policy Project to fight for legalization. They also sent potatoes to Republican Wisconsin senator Ron Johnson to persuade him to hold a town hall about the Affordable Care Act.

+ Cards Against Humanity Saves America

Images via Cards Against Humanity Saves America and Anthony Albright on Flickr