Cards are valued according to their TCGPlayer Market Price, which is what you might pay for a near-mint copy of the (first edition where applicable) cards below
Its certainly a source of income, but for a lot of artists, its worth it in other ways, as well
Toggle the Craft switch at the top right of the main deck building screen
For collectors, knowing the true value of a card isnt just about curiosity, its about making informed decisions when organizing, trading, or buying new cards
Differentiating between the top couple cards in the set is more important to me than judging whether some niche sideboard card is C or D tier
It may be something to get used to, because I suspect the situation is going to stay this way for a while