For the hand nobody thought was possible. Saved for the win that made the whole table go quiet.
Dr. Zoe's Notes on How to Use
My friends and I always play with Lucky Duckies — it takes the fun (and competition) up a whole notch!
We save the White Unicorn for the truly improbable hands. Making it the rarest prize at the table is half the fun — it gives everyone something to chase all night.