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.
Tam, the Possibility
Ashling, the Limitless
Isperia, Supreme Judge
Umbris, Fear Manifest
The Kingpin of Crime
Malcolm, the Eyes
Kaseto, Orochi Archmage
Davros, Dalek Creator
Elenda and Azor
Dalakos, Crafter of Wonders
Zhulodok, Void Gorger
Aang, Airbending Master
Kozilek, the Great Distortion
Atraxa, Praetors' Voice
Splinter, Radical Rat
Namor the Sub-Mariner
Sauron, the Dark Lord
Michelangelo, the Heart
Leonardo, the Balance
Omo, Queen of Vesuva
King of the Oathbreakers
Queen Marchesa
Mr. House, President and CEO
Yennett, Cryptic Sovereign