Variant Deck of Many Things

[sydbar]

They also can work, for people that drink from the fountain of chaos, instead of rolling on a table, they can draw a card.

 

[lukelightning]

Except that instead of those 17 Rogue levels you've earned, you're now a 1st level Rogue Wearbear, though fortunately, that gives you some HD back for your lost Rogue levels...

Well, I wasn't too serious about that.... "lucky" in this case would probably be a huge headache for the DM and the rest of the party.