Edit: due to a lack of people this has been canceled until we get more people.
I'm making a competion with smart cubes only on cube station. The sign up and bracket is on this link. https://challonge.com/Jmbrackets
It is a head to head bracket with double elimination and the max is 16 people. If...
I tried to find an Ra perm that wasn't confusing and didn't have any D moves until I hit the jackpot: here it is.
(R U R' F') (R U2 R' U2') (R' F) (R U) (R U2' R')