Polluted Cistern
Enchantment — Room
Whenever one or more cards are put into your graveyard from your library, each opponent loses 1 life for each card type among those cards.
(You may cast either half. That door unlocks on the battlefield. As a sorcery, you may pay the mana cost of a locked door to unlock it.)
New to Magic? How to read this card
Beginner guide
Card text above uses Oracle text, the current official rules text for this card.
This costs one mana of any type and one black mana.
- Mana
- Mana is the resource you spend to cast spells and activate abilities.
- Generic mana
- A numbered mana cost can be paid with mana of any type.
