They store cards in a similar way

Create your own Critical Role campaigns with this sourcebook for the world's greatest roleplaying game

The three scenarios are (according to the app):

and it’s water-resistant for when it rains or your dog drools over it with excitement at the thought of playing Bites

50x Resin Burning Skulls (Green Stuff World) paint-tool They store cards in a50x Resin Burning Skulls Sack of burning skulls made of high quality resin. This product comes unpainted and it is perfect for 28mm miniatures (1: 48 scale). The diameter of each skull is approximately 3x5mm. Each sack includes 50 55 of loose cast resin skulls randomly selected from 15 different sculpts. Not recommended for children under 10.