Great Mammoth of the Netherworld

“If this card is Special Summoned and you control "Call of the Haunted" or a Zombie monster, except "Great Mammoth of the Netherworld": You can target 1 card on the field; destroy it. You can only use this effect of "Great Mammoth of the Netherworld" once per turn. A Zombie Xyz Monster that has this card as material gains this effect. ● Gains 1000 ATK.”