Here's the full list of cards available on kpopsource!
Cards are special awards for unique and valuable actions. This page shows a list of all Cards.
kpopsource.com
You can see there are sets for groups (including former members too! unless they did something horrible) and soloists (soloists just have 5 cards) and there are even non-kpop cards like anime and video game ones, and some for international artists like japanese or
Each day (days are counted in kst) there are two "quests" you can complete to get a card! The posts quest is just posting 15 posts (posts in the games section don't count but profile posts do)
And the threads quest is either making 3 threads with at least one in the hallyu, japan (except anime), china, thailand section, or making two threads anywhere and doing the daily challenge (which is why those threads are there)