You can get rupees relatively quickly by killing the ReDeads in the Ancient Castle of Ikana. Once you reach the moon – speak with the kid wearing the Odolwa Mask and give him a mask to be transported ...

and Zora Mask - speak with the kid wearing the Majora's Mask to be given the Fierce Deity's Mask. Open the big chest after defeating Skull Keeta to get this mask. See the Ikana Canyon walkthrough for ...