To use cards from a card set to create a new set, follow these steps:
Point to the card set that contains the cards you need and click Edit Set (1).

2. Check the cards you want to reuse (2).
3. On the right-hand panel, click the Create set with button (3).

4. On the Create set dialog box, type a name for your new card set (4).
5. From the Create in drop-down list (5) choose a group to add the new set to.
6. When you're done, click Create (6) to complete the process.
