I would take crosby and ovy for the sedins any day, but salary may be an issue for you. if you can find a way to move a huge cap hit like Staal then it's a no brainer. Crosby and OV are primed to bounce back into the form that would prevent you from ever being given an offer like this
5th Year 12 Team Dynasty H2H, Daily Starts
G, A, +/-, PIM, SOG, Hits, PPP, SHP
W, GAA, Sv%, Svs, SO
C: J.Spezza, A.Galchenyuk, E.Kuznetsov, M.Hanzal, V.Rask, S.Couturier
LW: Z.Parise, M.Gaborik, T.Vanek, J.Skinner
RW: C.Perry, J.Pavelski, P.Hornqvist, V.Nichushkin
D: E.Karlsson, P.K Subban, J.Muzzin, R.Ristolainen
G: R.Miller, S.Varlamov, D.Dubnyk
Prospects: Matthews, Kapanen, Vrana, Scherbak, Zadorov, Grubauer, Pickard, Aittokallio, Makarov, Reway, Guryanov, McCarron, Samsonov, Aho, Montour, Bowey