Board Thread:General Discussion/@comment-123.243.81.156-20140513014949/@comment-24069043-20140513025258

There aren't any specific list iirc.

But to me, the cards that are worthy to keep are:

1. Cards you use often. i.e anti-AW teams

2. Strongest card you can have. i.e H/UR or H/SR

3. Cards with worthy skills, or you have a plan to use in the future. i.e Lilim

4. Cards that you will upgrade later.

5. A little Slimes, Gold Girls, Metal Slimes, Medal Girls. You will need these for upgrading.

7. Cards with your favorite artworks.

8. Some N cards to upgrade Slimes.

What to throw away:

1. Too much N cards.

2. Cards with useless skills. i.e confirm rewards

3. Cards that you seldom use.

4. Excess free AW cards from drops. Just keep 2 for HSR version.

5. Excess Gold Girls. Sell them, don't let them stay too long.

Just my idea. Feel free to take it or leave it.