(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.)
cramped vents
when you unlock this door, this room deals 6 damage to target creature an opponent controls. you gain life equal to the excess damage dealt this way.
access maze
once during each of your turns, you may cast a spell from your hand by paying life equal to its mana value rather than paying its mana cost.
