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.
Egon, God of Death // Throne of Death
Katilda, Dawnhart Martyr // Katilda's Rising Dawn
Scarlet Witch, Chaotic Avenger
Elas il-Kor, Sadistic Pilgrim
Ulamog, the Defiler
Achilles Davenport
Drivnod, Carnage Dominus
Gandalf, Party Guest
Gaddock Teeg
Syr Gwyn, Hero of Ashvale
Absorbing Man
Zaxara, the Exemplary
Ognis, the Dragon's Lash
Grist, the Hunger Tide
Sin, Unending Cataclysm
Be'lakor, the Dark Master
Tevesh Szat, Doom of Fools
Nadier, Agent of the Duskenel
Yarok, the Desecrated
Nissa, Leyline Tamer
Uldaros Theorix
Ashling, the Limitless
Brenard, Ginger Sculptor
Chulane, Teller of Tales
Obeka, Splitter of Seconds