NORD Wandering Monster: Underground Deck (5E)
Dungeons And Dragons RPG Wandering Monster: Underground Deck - Rules of Play says:
The Wandering Monster Deck: Underground (5E) contains 52 cards, each with 3-5 possible encounters for underground environments for 5th Edition. Choose each unique encounter based on the appropriate challenge rating, or roll a die. Save yourself hours of setup time and challenge your players with monsters you never thought to use! Order your monster expansion pack today and collect them all!