This book explores variations on the Universal Card theme, is part of the Yod series. Universal Card is a classic card plot in which a single card (like the joker) transforms to one at a time to match each of the selected cards. Originally posed by Karl Fulves in his Pallbearers Review, where he used the term "Universal Card", a name that caught on.

The Hypnotic Card
Marlo's Favorite Universal
Universal Solutions
Universal IV
Tout's Universal
The Chameleon Card
Universal Combine
Hypno-Versal Way
Cervon's Universals
More Universals
Not Quite Ambiguous Universal
Full-Circle Universal
Open-Faced Universal
Hamman's Universal Variants