Today I learned to hate bindingRedirect's because they don't show up in VisualStudio searches unless you're very specific, and they will break things :D fun times. But, I did figure it out, so there's that!
Me explaining that I don't know why things are down when my build works on one environment, breaks on another, and works for a while before breaking on another. Also titled: How I spent two and a half extra hours at work today.