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.
Kaalia of the Vast
Blor the Impervious
Mayael the Anima
Godo, Bandit Warlord
Witherbloom, the Balancer
The Infamous Cruelclaw
Kwain, Itinerant Meddler
Varolz, the Scar-Striped
Fire Lord Zuko
Nissa, Leyline Tamer
Winter, Misanthropic Guide
Drafna, Founder of Lat-Nam
Lumra, Bellow of the Woods
Silas Renn, Seeker Adept
Rograkh, Son of Rohgahh
Hashaton, Scarab's Fist
Niv-Mizzet, Ghost Counsel
Omnath, Locus of All
Lorehold, the Historian
Ultron, Unlimited
Akroma, Vision of Ixidor
Hamza, Guardian of Arashin
Scarlet Spider, Ben Reilly