Verkt?y for design
Cards to design for Sustainabilty
The Thing from the Future (downloadable Print-and-Play edition)
Forecasting (The Future is Ours, the document presents a selection of methods including Backcasting, Three Horizons, Roadmapping, and others)
Narata storytelling and brainstorming cards (ask the library)
AT-ONE cards (link, service design cards)