Flavortext<em>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.)</em>
Oracletext<strong>Glassworks</strong><br>
When you unlock this door, this Room deals 4 damage to target creature an opponent controls.<br>
/<br>
<strong>Shattered Yard</strong><br>
At the beginning of your end step, this Room deals 1 damage to each opponent.