あ…面倒臭いなぁ

public void 頭(string item,string itemseed)
{
if(photonView.isMine)
{
object[] obj = new object[2];
obj[0] = item;
obj[1] = itemseed;
photonView.RPC("頭2", PhotonTargets.AllBuffered, obj);
}
}

でどや!