The Dark Creator (PTDN-EN017) - Phantom Darkness Unlimited

This card cannot be Normal Summoned or Set. This card can only be Special Summoned, by having 5 or more DARK monsters in your Graveyard while you control no monsters. Once per turn, you can remove from play 1 DARK monster from your Graveyard to Special Summon 1 DARK monster from your Graveyard.