Margaret Mai Beaufort is the Yu-Gi-Oh! The Duelists of the Roses incarnation of Mai Valentine and portrayal of Lady Margaret Beaufort. She is a member of the Red Roses of Lancaster. With the White Roses of York well ahead in their struggle for power with the Red Roses, Margaret secretly requested a high druid, Simon McMooran, to summon a duelist from another age. The player takes on the role of the duelist summoned. The player can obtain "Dust Tornado" by using the find ability on E7 while playing against Margaret.