I wouldn't be surprised to see some of the RFAs that have been in the organization for a while now included in deals at the draft. The team has a pretty good idea of whether or not guys like Holland, Sam Carrick, Percy, Leivo, and Sparks fit into the future, and some of them won't be back - at least, not on NHL contracts.
In fact, of the RFAs, I think the only ones that are sure bets to be in the organization next season are Rielly, Connor Carrick, and Corrado. Kadri's probably back, as are Marincin and Harrington, but, I wouldn't be placing bets on it happening.