Rank-Down

Rank-Down is a method used to Summon lower Rank Xyz Monsters in the Yu-Gi-Oh! ZEXAL anime. It was first seen in a battle between Eliphas and Yuma Tsukumo, who used "Rank-Down-Magic Numeron Fall" to Rank-Down "Number 39: Utopia" into "Number 39: Utopia Roots".