Are 1 star cards useful at all for anything other than as enhance fodder?

#1meirusPosted 9/21/2012 2:46:30 PM
just curious. I have a 1 star with an S in speed and I was curious if the card is even worth leveling up.
#2RaKuGaaPosted 9/21/2012 3:03:17 PM
How can you read this? there's no pictures!
- Gaston