Board Thread:Question and Answer/@comment-107.192.1.171-20170217214323/@comment-16682378-20170218002946

you what they said, R's are pretty useless once you have SR+ cards. There are a few N/R exclusive skills though:


 * Category:Receive_Rewards
 * Category:Gold Conversion

The usefulness of the cards can surely be debated though. But I have a couple of Cassandra's that I used to insure I got enough Terra drops during Valkyrie Wars event, since she is used to amalg. Gaia.