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.
Meren of Clan Nel Toth
Maralen, Fae Ascendant
Greensleeves, Maro-Sorcerer
Pantlaza, Sun-Favored
Wulfgar of Icewind Dale
Okaun, Eye of Chaos
Zndrsplt, Eye of Wisdom
Xyris, the Writhing Storm
Jeska, Thrice Reborn
Falthis, Shadowcat Familiar
Strefan, Maurer Progenitor
Urza, Powerstone Prodigy
Vorosh, the Hunter
The Ur-Sphinx
Doctor Doom, King of Latveria
Kaalia of the Vast
Reaper King
Aesi, Tyrant of Gyre Strait
Grand Warlord Radha
Atraxa, Praetors' Voice
Appa, Loyal Sky Bison
Voja, Jaws of the Conclave
Avacyn, Angel of Horror
Uugguu, the Omniplasm