I like to smudge everything with sage. My neighbors think I smoke pot. Maybe I overdo it, but I feel "better safe than sorry".
![:smt003](./images/smilies/003.gif)
That is how I cleanse my decks as well. I smudge them, and if I'm not impatient to use them, I will place them in my sacred space and put a quartz crystal on the top for as long as I feel is necessary.
Anyhow, I'd love to know how others cleanse their decks...?