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.
Phlage, Titan of Fire's Fury
Thrasios, Triton Hero
Tymna the Weaver
Grolnok, the Omnivore
Aminatou, Veil Piercer
Grismold, the Dreadsower
Smaug the Magnificent
Okaun, Eye of Chaos
Zndrsplt, Eye of Wisdom
Arabella, Abandoned Doll
Hakbal of the Surging Soul
Zhulodok, Void Gorger
Valgavoth, Harrower of Souls
Blech, Loafing Pest
Sergeant John Benton
Glarb, Calamity's Augur
Uugguu, the Omniplasm
Tawnos, Solemn Survivor
Calamity, Galloping Inferno
Tom Bombadil
Ishai, Ojutai Dragonspeaker
Kediss, Emberclaw Familiar
Omnath, Locus of All
Sméagol, Helpful Guide
Sefris of the Hidden Ways
Nahiri, the Lithomancer