Polluted Cistern // Dim Oubliette

#23 - Duskmourn: House of Horror Commander - [DSC]
More about « Arthur Yuan »

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.)
Card Back
When you unlock this door, mill three cards, then return a creature card from your graveyard to the battlefield. (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.)

DSC · EN Arthur Yuan

standard		future
historic		timeless
gladiator		pioneer
explorer		modern
legacy		pauper
vintage		penny
commander		oathbreaker
standardbrawl		brawl
alchemy		paupercommander
duel		oldschool
premodern		predh