Reincarnation of the Seventh Emperors

During damage calculation, if your "Number" Xyz Monster that has a number between "101" and "107" in its name, or your Xyz Monster that has any such monsters as material, battles: Banish that monster you control (also banish its materials). During the End Phase of the turn you activated this card, Special Summon 1 Rank 3 or lower Xyz Monster from your Extra Deck, except a "Number" monster, and if you do, inflict damage to your opponent equal to half its original ATK.