Gleaming Obsidian Skull (TEU-097 R) [Timeless Eclipse of the Underworld]

This card has the darkness magic stone type. [Rest]: Produce B [Rest],B, pay 400 life: Produce for each magic stone you control with the darkness magic stone type. Your opponent loses X00 life, where X is the number of Phobia cards with different names you own in public areas. Play only one ability per turn.