Chamber of Recall
At the end of the turn, return a random consumed spell to your hand.
“The Wurmkin claim they contain the History of the World in their stoneform — the knowledge of demons and Titans alike that can be granted and returned at will. I thought my notes to be a near-total collection of information on this Realm, but the Wurmkin appear to know of things that they have no right knowing. Things that, once long ago, I may have known myself...”