KOG Dark Magician Deck by Prof. Xavier on Aug 20, 2020 | YuGiOh! Duel Links - GameA
I'm just posting an example of a good deck to start out with. Duel links gives you a lot of gems when you start and I would suggest investing in Dark Dimensions
Yu-Gi-Oh! Duel Links: Dark Side of Dimensions - Obilisk
23rd Main Box: Dark Dimension | YuGiOh! Duel Links - GameA