Cards - 🟧Sourceful
"The Binding of Isaac: Four Souls" Official Card List
A spreadsheet that shows all cards in the game, and is updated as soon as new cards are revealed.
Maggie Stiefvater’s Unofficial Tarot Guide (fan made)
A guidebook about The Scorpio Sea deck, written by Melissa Cynova, who is a professional psychic and real-life woman of Fox Way. It's based on the imagery of Thisby and the novel The Scorpio Races (although, like the Raven’s Prophecy deck, it stands alone).