Board Thread:Game Discussion/@comment-202.75.160.236-20130620073411/@comment-10962369-20130620081931

I only trade them in when I want to upgrade a card. If you don't have anything to upgrade, I'd suggest just keeping them. Although you could try your luck and try and get a R4 episode card, I opened about 1000+ cards this event and got a R4 Elite grimlock bot.