Card Crawl is excellent. You have equipment and gold cards and monsters on the deck and you try to gather the most loot. There are also special ability cards to help you. There are daily dungeons and good amount of content.
Miracle Merchant is a good game. You try to match ingredients to make potions that the current customer wants, If you fail to provide them the potion they want you lose the game. There are also bad ingredients on the deck so you might not have access to them all the time. I think this is a bit more puzzly than Card Crawl.
Also tried Card Thief but didn't like that and it felt confusing to me. Maybe someone else can explain that.
I can recommend the first two for 1$ you will probably play them a lot if you buy them. Great games