My tutorial series showing how you can create a card widget UI in Unreal engine is done. Links to the videos below. Enjoy!
Part 1, UI design: Card widget system part 1 - Unreal engine 5 - YouTube
Part 2, Card logic: Card widget system part 2 - Unreal engine 5 - YouTube
Part 3, Card placement: Card widget system part 3 - Unreal engine 5 - YouTube
Part 4, Card inspection: Card widget system part 4 - Unreal engine 5 - YouTube
Part 5, Moving cards: Card widget system part 5 - Unreal engine 5 - YouTube
Part 6, Rearranging cards: Card widget system part 6 - Unreal engine 5 - YouTube
Part 7, layout manager: Card widget system part 7 - Unreal engine 5 - YouTube
https://dev.epicgames.com/community/learning/tutorials/r207/unreal-engine-card-widget-ui