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.
Ezuri, Claw of Progress
Mizzix of the Izmagnus
Daxos the Returned
Kynaios and Tiro of Meletis
Saskia the Unyielding
Breya, Etherium Shaper
Yidris, Maelstrom Wielder
Meren of Clan Nel Toth
Kaalia of the Vast
Freyalise, Llanowar's Fury
Derevi, Empyrial Tactician
Edgar Markov
Arahbo, Roar of the World
The Ur-Dragon
Inalla, Archmage Ritualist
Kalemne, Disciple of Iroas
The Mimeoplasm
Daretti, Scrap Savant
Atraxa, Praetors' Voice
Aminatou, the Fateshifter
Lord Windgrace
Saheeli, the Gifted
Estrid, the Masked
Ghired, Conclave Exile