A allusion to the random manner in which playing cards are distributed or "drawn" in many card games.
Sentence Examples
Krishna uses his last few rupees to travel to a city, which by luck of the draw turns out to be Bombay.
In short, the colors all leave a stain behind, but how long it lasts seems to be luck of the draw.
Since then he has reprised his role as Cheyenne Bodie for the TV movie The Gambler Returns: The Luck of the Draw in 1991, and an episode of the series Kung Fu: The Legend Continues in 1995.
The only possible disadvantage may be the fact that you can't type in a specific question, and that may lead you to wonder if those great cards you're getting are fate or, literally, the luck of the draw.