Hi! I made a deck of collage cards before I had heard the term atc, but I guess that is what they are. Most of the work I've seen here seems to stand alone - I love looking at all your gorgeous cards! I hope I am posting this in the right place.
It is a full deck of 52 cards, which I have used to play modified games of set and go fish. This photo shows some of the cards displayed on a scarf. You can't really read most of the text, but I think posting 52 individually would not endear me to the board! I collaged regular old playing cards and stamped them and stuff and then went over them with some modge-podge-esque stuff. I have scanned the whole set and print them on cardstock to give the set as gifts.
And here's one currently on my fridge: