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.
Auntie Ool, Cursewretch
Clavileño, First of the Blessed
Plargg, Dean of Chaos // Augusta, Dean of Order
Terra, Herald of Hope
Sythis, Harvest's Hand
Daredevil, Fearless Fighter
Dakkon Blackblade
Rem Karolus, Stalwart Slayer
Hazel of the Rootbloom
Jace, Multiverse Architect
Belisarius Cawl
Teferi, Temporal Archmage
Flamewar, Brash Veteran // Flamewar, Streetwise Operative
The Dawning Archaic
Jor Kadeen, First Goldwarden
Gollum, Patient Plotter
Tanazir Quandrix
Fire Lord Zuko
Anhelo, the Painter
The Necrobloom
Helga, Skittish Seer
Gran-Gran
Lier, Disciple of the Drowned