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.
Thranduil, the Elvenking
Zedruu the Greathearted
Darien, King of Kjeldor
Yusri, Fortune's Flame
Sauron, the Dark Lord
Jaws, Relentless Predator
Tovolar, Dire Overlord // Tovolar, the Midnight Scourge
Clavileño, First of the Blessed
Kefka, Court Mage // Kefka, Ruler of Ruin
Grand Arbiter Augustin IV
Ob Nixilis, Captive Kingpin
Umori, the Collector
Dina, Essence Brewer
Tam, the Possibility
Liesa, Shroud of Dusk
Wowzer, the Aspirational
Fumulus, the Infestation
Zoraline, Cosmos Caller
Mirri, Weatherlight Duelist
Superior Spider-Man
Vraska, Soul of Stone
Valgavoth, Harrower of Souls
Alena, Kessig Trapper
Halana, Kessig Ranger
The Reaper, King No More