Board Thread:Game Discussion/@comment-63.146.162.121-20130619132531/@comment-10535698-20130619204554

When you just had R3s and R4s it was well worth it to save your medals once you were sure no matter what you did (other than spending money) what your rank would be.

This was because you were much more likely to get an R4 outside of the event than in the event.

With the introduction of the R5 cards only being available during events I feel it is now worth it to try and get those R5s while in an event. This also seems to have changed the weighting system of rarity drops for the episode space bridge making R4s more likely to get. I'm not sure what it is now in relation to outside episodes, but it seems to be at least as common.