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.
Ashling, the Limitless
Lucy MacLean, Positively Armed
Atreus, Impulsive Son
Kratos, Stoic Father
Krang, the All-Powerful
Drana, Kalastria Bloodchief
Nicol Bolas
Emrakul, the Promised End
The Peregrine Dynamo
Kefka, Court Mage // Kefka, Ruler of Ruin
Marrow-Gnawer
Lae'zel, Vlaakith's Champion
Elesh Norn, Mother of Machines
Danitha Capashen, Paragon
Lavinia, Foil to Conspiracy
Yusri, Fortune's Flame
Vren, the Relentless
Smaug the Impenetrable
Marwyn, the Nurturer
Worzel, the Protector
Fblthp, Impossibly Lost
Haytham Kenway
Hashaton, Scarab's Fist