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.
Ekthi, Contaminator Priest
The Valeyard
Taii Wakeen, Perfect Shot
Zirda, the Dawnwaker
Syrix, Carrier of the Flame
Ramos, Dragon Engine
Primo, the Unbounded
Brago, King Eternal
Sovereign Okinec Ahau
Ygra, Eater of All
Olivia, Opulent Outlaw
Gev, Scaled Scorch
Edgar Markov
Riku of Two Reflections
Child of Alara
Ezuri, Claw of Progress
Zaxara, the Exemplary
Marchesa, Dealer of Death
Laughing Jasper Flint
Sidisi, Brood Tyrant
Vivi Ornitier
Zhulodok, Void Gorger
Gideon of the Trials
Sephiroth, Fabled SOLDIER // Sephiroth, One-Winged Angel
Toxrill, the Corrosive