Greenhouse // Rickety Gazebo - Duskmourn: House of Horror - 181

Enchantment — Room

Mana Cost: {2}{G}

Lands you control have "{T}: Add one mana of any color."
(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.)

Uncommon · Duskmourn: House of Horror · #181 (DSK)

Illustrated by John Di Giovanni