I spent a good amount on silver too. Got 11k+. Had enough to get both emotes and every mask, ghost, and ornament except for the Hoodoom ornament (which I didn't even want). Still had 5000 left over. I definitely noticed a change in the drops and how they tailored to the ones you don't have. Before anyone replies with negativity, I spent my money how I wanted to, and you can't control that. Nothing I received benefits me, since silver isn't required for anything beneficial.