Revert "Fix card set difference in exh:update"
Revert "Fix card set difference in exh:update"

This reverts commit 8a511590c08b068935501d131383ba63169e82fc.

fenhl/lore-seeker,fenhl/lore-seeker,fenhl/lore-seeker,fenhl/lore-seeker,fenhl/lore-seeker