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.
Bello, Bard of the Brambles
Denzilore Fatehold
Captain America, Team Leader
Captain America, First Avenger
The Most Dangerous Gamer
Arnyn, Deathbloom Botanist
Hela, Mistress of Darkness // Dark Tutor
Skullbriar, the Walking Grave
Giada, Font of Hope
Kwain, Itinerant Meddler
Memnarch, the Warden
Cosmic Spider-Man
Captain Jean-Luc Picard
Bilbo, Birthday Celebrant
The Second Doctor
Leela, Sevateem Warrior
Mr. House, President and CEO
Jarad, Golgari Lich Lord
Strefan, Maurer Progenitor
Chatterfang, Squirrel General
Jace, Multiverse Architect
Tam, the Possibility
Ashling, the Limitless