Oretachi no Quest: Kuzu Card Musou de Isekai Nariagari
俺たちのクエスト ～クズカード無双で異世界成り上がり～
A man named Masamune, experienced in winning numerous card game competitions, must confront a demon lord in a different world. He is only equipped with his discarded cards and the assistance of a goddess named Mieri. To his surprise, the abilities of his companions are also largely ineffective.