Here are swatches comparing NARS "Cassiopeia" next to Makeup Geek "Phantom." Prices listed on photo. These shades are incredibly similar other than the fact that NARS "Cassiopeia" has sparkle, while Makeup Geek "Phantom" does not. The left photo was taken with flash while the right photo was taken without flash.
To see more dupes for Makeup Geek "Phantom," which would also be considered dupes for NARS "Cassiopeia," click here!