It's okay. I think the card game can easily be something you pick up when you have time really.
Banner by @Yili What is the trading card game? We are excited to announce the Kpopsource Trading Card Game! By completing certain activities you will be able to earn cards of different Korean Idols/Artists, International Artists and other decks such as Anime/Video Games. Once you receive the...
kpopsource.com
I'd give the guide a quick read through.
Section 6 explains how to get a booster, which can give you up to 15 cards. Your account is over a month old, so you'll need to spend points for it. If you're willing to do so, it will be a good way to start off so you can have a good amount of cards in your inventory to trade~
If you're confused about anything, the card team can answer questions (I can too, but they are probably better lol).
also, if you haven't already, I'd click the link in the op to participate in this raffle. it costs 50 points per entry and you can enter up to 5 times. If you're interested in getting any of these cards, you should try to enter :>