This set was once a decent source of income and free parts for me.
I would order a bunch of these for $7. ($8 after shipping) Then, I would list all 10 ghosts on bricklink for $0.70 each, and a three of the skeletons for $1 each. It would all sell very quickly, and I would finish with $10 and 7 skeletons for each $8 investment.
Ultimately, Precious Princess Palace decided to rain on my parade, and listed thousands of ghosts for less than my price. I didn't want to be stuck with dozens of ghosts, so I lowered my price. Sold a few more. PPP lowered their price, I lowered my price, and PPP lowered theirs again. I decided it was not worth lowering the price anymore and gave up that fight.
Thus, my telling of the undead wars is complete.
It's a decent parts pack, and the price is right. Aside from battling with other bricklink sellers, the playability is pretty low on it's own. However, it would be great for building an undead army.