The Apostle of Cards is a Manga/Manhwa/Manhua in english language, Comic series, english chapters have been translated and you can read them here. You are reading chapters on www.mgeko.nl fastest updating comic site. The Summary is

It’s a world ruled by cards. Chen Mu is a one-star card maker and he got a precious card in a second-hand store by chance. By learning card making theory during the day and studying the precious card at night, he makes rapid progress on card making, and his card is valued by the top student from Dongwei Academy. His life is going through changing without being noticed!