How do card game creators keep making such balanced cards?

Question

For card games like Magic The Gathering, etc., how do the creators make new cards that are balanced (in terms of cost, strength, abilities)? Is there a set formula, or is it a long testing/tweaking process before the card gets released?

In: 22

Answer 1

I know for Magic, [a lot of the cards aren’t balanced](https://magic.wizards.com/en/banned-restricted-list), and I’d bet that’s true for all of them.