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.
Traxos, Scourge of Kroog
Sigarda, Font of Blessings
Mabel, Heir to Cragflame
Errant and Giada
Namor the Sub-Mariner
Esika, God of the Tree // The Prismatic Bridge
Super Shredder
Elminster
Trynn, Champion of Freedom
Silvar, Devourer of the Free
Kaalia of the Vast
Ramos, Dragon Engine
Ruhan of the Fomori
Satoru Umezawa
Kambal, Profiteering Mayor
Kazuul, Tyrant of the Cliffs
Ludevic, Necro-Alchemist
Ravos, Soultender
Squall, SeeD Mercenary
The Face of Boe
Niv-Mizzet, Visionary
Skullbriar, the Walking Grave
Three Dog, Galaxy News DJ
Gilgamesh, Master-at-Arms
Astonishing Spider-Man