Cardfight! Vanguard (Manga)

Volumes 6-12
Ibuki has the power of delete the hearth of the humans, when he fights Takuto he accidentally deletes his good side, now Evil Takuto use his powers to turn all the school into mind controlled zombies that obey all his orders, when a zombie beats a normal person in a card game, the normal person is turned into a zombie and also obey the orders of Takuto.

Gaiden "The Shining Swordsman"
In the war between Royal Paladin and Shadow Paladin, some Royal Paladin are mind controlled by Phantom Blaster Dragon to become Shadow Paladin.