Greenhouse // Rickety Gazebo

Enchantment — Room // Enchantment — Room • Mana cost: {2}{G} // {3}{G} • Duskmourn: House of Horror • Uncommon

Greenhouse

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.)

Rickety Gazebo

Enchantment — Room • Mana cost: {3}{G}

When you unlock this door, mill four cards, then return up to two permanent cards from among them to your hand.
(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.)

Illustrated by John Di Giovanni.