Not so much buy, but trade alot of the things I own for an Imperial Relax and Blood. If i can't get the blood i will settle for just a relax.

Amethyst Grip Color
Amethyst Left Hand Motion Trail
Amethyst relax
Plasma Force
Plasma Ghost
Plasma Primary Gradient
Plasma Secondary Gradient
Raptor Force
Typhon Blood
Typhon Force
Typhon Ghost
Typhon Relax
Typhon Timer

I also have a small 5k if that could help :|