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.
Karona, False God
Zaxara, the Exemplary
Giada, Font of Hope
The Reaper, King No More
Mendicant Core, Guidelight
Reaper King
Taskmaster, Mercenary Mimic
Vivi Ornitier
Kwia Vigorbloom
Smaug, Wicked Worm
Krenko, Mob Boss
The Infamous Cruelclaw
Omnath, Locus of All
Garland, Royal Kidnapper
Miirym, Sentinel Wyrm
The Scarab God
Krark, the Thumbless
Sakashima of a Thousand Faces
Animar, Soul of Elements
Bumi, Unleashed
Ygra, Eater of All