I'm obsessed with Paloma Kop's are.na cards, where they took ideas they had saved and turned them into a physical deck of cards.

Then they made a web app where you can draw the cards virtually yourself.

You can literally just make a card deck for yourself. About anything.

Related

• Paloma Kop's Subtle Cards, one of my favorite online tarot pull experiences
• Paloma Kop's Tarot of Subtle Forms
• Brian Eno's Oblique Strategies deck, you can also pull virtually
• Kening Zhu's creative immersion card deck