Vast: The Crystal Caverns – Treasure Trove Promo Card

This was a promo card obtained at GenCon 2016. It was later made available in the "Bonus Cards" expansion.

Text:

"Reveal this card immediately if kept. When you move to the Entrance tile, gain 8 Grit and then remove this card from the game. If the Thief pickpockets you he must take this card, and then immediately resets his Loot Drop level to 3."