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.
Super-Skrull
Vivi Ornitier
Tatyova, Benthic Druid
Ultima, Origin of Oblivion
The Wandering Minstrel
Jodah, the Unifier
Jin-Gitaxias // The Great Synthesis
Atraxa, Praetors' Voice
Ms. Bumbleflower
Doctor Doom, King of Latveria
Tevesh Szat, Doom of Fools
Dargo, the Shipwrecker
Primo, the Unbounded
Piru, the Volatile
Kaalia of the Vast
Thranduil, the Elvenking
Flubs, the Fool
Chief of the Wilds
Aerid Konstrari
Jin Sakai, Ghost of Tsushima
RMS Titanic
Karametra, God of Harvests
Omnath, Locus of All
Tourach, Dread Cantor
Sarulf, Realm Eater