any good seeds for a survival world

is miiverse up on the 3ds family with pretendo? no spoliers just wanted an Answer LOL!

I was trying to get a custom theme with sd caffeine, on Aroma CFW and when i enable FTP conneton only the SL folder (i think thats what its called) the other folders wont show after rebooting my wii u consle, it may be my sd card as it has failed in the past. any help would be :)