Got bored so I made a Yami Marik anime deck : r/DuelLinks
Yami Marik (Duel Links) - Yugipedia - Yu-Gi-Oh! wiki
The best Yu-Gi-Oh! Duel Links decks: Get your game on! (February 2020) - Android Authority
Heres the Ra OTK deck w/ hieratic engine. Marik's Power of the Tributed is a must. But if you dont want to use Marik, you can replace Ra with Emperor or Legendary