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.
Miirym, Sentinel Wyrm
Grolnok, the Omnivore
Jace, Multiverse Architect
Aerid Konstrari
Kenrith, the Returned King
Magik, Illyana Rasputin // Darkchild, Demon Uncaged
Valgavoth, Terror Eater
Ojer Taq, Deepest Foundation // Temple of Civilization
Toxrill, the Corrosive
Agatha of the Vile Cauldron
Kynaios and Tiro of Meletis
Breya, Etherium Shaper
Slimefoot, the Stowaway
Ognis, the Dragon's Lash
Kaalia of the Vast
Storm, Force of Nature
Muldrotha, the Gravetide
The Locust God
Teysa Karlov
Jan Jansen, Chaos Crafter
Michelangelo, the Heart
Leonardo, the Balance
Heroes in a Half Shell