I collected baseball cards briefly as a kid, because that was just what you did. I didn’t enjoy it at all. Had I been the one to think of Baseball Card Vandals, my childhood might have been turned around.
Take a worthless baseball card (which I think is actually all of them) and deface to the point where you’ve got a pretty serviceable joke, then post it on the Internet where someone like me who has been cooped up in a windowless office all day just needs something funny to come by, and you’ve got a perfect storm. I almost had several strokes from laughter on the first page alone. If you don’t hear from me for a while, send someone by to make sure I haven’t laughed myself unconscious.