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.
Eladamri, Korvecdal
Symbiote Spider-Man
Zhulodok, Void Gorger
Gilgamesh, Master-at-Arms
Mazirek, Kraul Death Priest
Thantis, the Warweaver
Aclazotz, Deepest Betrayal // Temple of the Dead
Old One Eye
Karador, Ghost Chieftain
Rocco, Cabaretti Caterer
Ikra Shidiqi, the Usurper
Sakashima of a Thousand Faces
Riku of Two Reflections
Vivi Ornitier
Magus Lucea Kane
Voja, Jaws of the Conclave
Kotis, the Fangkeeper
Edgar Markov
Ulalek, Fused Atrocity
The Ur-Sphinx
Varragoth, Bloodsky Sire
Titania, Voice of Gaea
Gonti, Canny Acquisitor
Dragonhawk, Fate's Tempest
Peter Parker // Amazing Spider-Man