Zakira

The main antagonist of both the third season, Duel Masters Charge and the current series, Duel Master Cross Shock. Zakira (ザキラ) is an evil duelist and the nemesis of Shori and also the one controlling Yumama (his younger sister) from the start of the series. His goal is to obtain the "Duel Master's Proof" and use it for his evil means. He has multiple agents working under him, and operates from a large castle. His agents are ranked in terms of increasing power from A-Z (Z being himself).

Deck
He uses a combination of Fire, Darkness and Water cards (most of his creatures are Zombie Dragons) with his deck being focused on sending cards to the graveyard (his and his opponent's) and benefiting from it. His signature/trump cards are Necrodragon Guljeneraid, Zero Phoenix, Phoenix of Darkness, Romanoff the 1st, Lord of the Demonic Eye, Alexander the 3rd, Emperor of the Demonic Eye and Supernova Apollonus Dragerion.