NORD Wandering Monster: Waterways Deck (5E)
Dungeons And Dragons RPG Wandering Monster: Waterways Deck - Rules of Play says:
This innovative expansion deck contains 52 cards, each with 3-5 possible encounters for water environments for the 5th Edition. Pick the encounter based on the appropriate challenge rating, or roll a die. Order your monster expansion pack today to add exciting new monsters to the waterways of your tabletop RPG games.