I'm an Isles fan and hate the Rangers, but Rick Nash is going to be better in Ny than he was in Columbus and Brad Richards is Brad Richards. Yandle is nice, but your D is in pretty good shape without him. Evander Kane is good, but not Nash good.
I say take the trade.
5th Year Dynasty - 12 Teams
Positions: 3C, 6W, 6D, 1UTIL, 2G, 7BN
Categories: G,A,+/-,PIM,PPP,SHP,GWG,HITS,FOW,W,L,GAA,SV,SV%,SHO
C: Giroux, Datsyuk, M. Koivu, McDonald(IR), Couture, Stepan, Gerbe
W: Ryan, Lucic, Vanek, Voracek, Malone, E.Kane, Okposo, Stewart, Michalek
D: Pronger, Keith, Karlsson, Hedman, Giordano, Fowler
G: Brodeur, Rinne, Crawford, Schneider
Prospects: Beach, H.Karlsson, Tangradi, Baertschi, Hackett, Salak, Elliot, MacLean