Banners of Ruin is a roguelike deck builder, and you must now infiltrate their defenses of House Ender and get rid of them. To do that, you will need to build a deck with a maximum of six cards, and you have the freedom to get creative with your build. You have to defeat every elite opponent that stands in your way so that you can reach the city’s guard captain and deal with the Enders. During your journey, you might come across different scenarios and encounters that can help you, but at a cost.