I recommend at least having a good quality deck to play card games with. YMMV, but cheap decks really can feel like utter rubbish by comparison with a decent one.
Art decks are a lovely thing, but then there’s always the question of whether you are willing to risk tainting them by playing games with them :) You could always buy two, of course…
I was rather taken with this design the last time I bought some nice cards:
https://elephantplayingcards.com/products/starry-night
and also this deck: