Unholy Annex
{2}{B}Enchantment — Room
At the beginning of your end step, draw a card. If you control a Demon, each opponent loses 2 life and you gain 2 life. Otherwise, you lose 2 life.
Ritual Chamber
{3}{B}{B}Enchantment — Room
When you unlock this door, create a 6/6 black Demon creature token with flying.