Kristoff - Mining the Ruins (Epic) (218/204) [Whispers in the Well]

Boost 1 Ink (Once during your turn, you may pay 1 Ink to put the top card of your deck facedown under this character.)

[Worth Mining] Whenever this character quests, if there's a card under him, put the top card of your deck into your inkwell facedown and exerted.