Well, without having seen the episode, it's possible that the Ravnica piece was this product, which muddies the waters a bit https://dnd.wizards.com/products/ta

Well, without having seen the episode, it's possible that the Ravnica piece was this product, which muddies the waters a bit https://dnd.wizards.com/products/tabletop-games/rpg-products/guildmasters-guide-ravnica https://dnd.wizards.com/products/tabletop-games/rpg-products...