Strange Tales #170 was Brother Voodoo's second appearance in the Marvel Universe. Brother's first cover was by John Romita, by this one was drawn by Gil Kane:
There's nothing like snakes to sell a cover, although you usually see this sort of thing on Conan or Ka-Zar or Shanna the She-Devil. Brother Voodoo looks like he's pretty scared of them, too. Nuff said.