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.
The Reaper, King No More
Oloro, Ageless Ascetic
Jodah, the Unifier
Altaïr Ibn-La'Ahad
Blech, Loafing Pest
Abaddon the Despoiler
Smaug the Impenetrable
Scion of the Ur-Dragon
Felothar the Steadfast
Inspirit, Flagship Vessel
Ellie and Alan, Paleontologists
Xyris, the Writhing Storm
Annie Flash, the Veteran
Mm'menon, the Right Hand
Brago, King Eternal
Feather, the Redeemed
Lord Skitter, Sewer King
Korvold, Gleeful Glutton
Peregrin Took
Colonel Autumn
Betor, Ancestor's Voice
Zimone, Infinite Analyst
Kona, Rescue Beastie