Saikyou Shoukanshi wa Around 30 Ossan: Card wo Oya ni Shobun sareta Card Gamer no Isekai Musou

The story follows Sousaku Kamifuda, an otaku around his 30s, who is fully indulging in his trading card game hobby. In the midst of his mother selling the entirety of his precious card collection, the man is transported to another world. Using his card game skills, he attempts to find a way back home.

(Source: Anime News Network, edited)