These decks are shared by the community and already available to pick in any game lobby, so there's no need to clone one just to play it. Clone a deck only if you want to customize it or use it as a starting point for building your own.
Jenova, Ancient Calamity
Elda, Conjurer of Spectacle
Bruce Banner // The Incredible Hulk
Sheoldred, Whispering One
Abaddon the Despoiler
Sen Triplets
Toph, the First Metalbender
Horobi, Death's Wail
Lathril, Blade of the Elves
Tomik, Wielder of Law
The War Doctor
K-9, Mark I
Mendicant Core, Guidelight
Beorn the Fierce
Kuja, Genome Sorcerer // Trance Kuja, Fate Defied
Gogo, Master of Mimicry
Ardyn, the Usurper
The Weaver King
Shilgengar, Sire of Famine
Vorinclex, Voice of Hunger
Skithiryx, the Blight Dragon
Yuriko, the Tiger's Shadow
Jodah, the Unifier