MZMU-EN004 * Great Mammoth of the Netherworld * Rare * Maze of Muertos MP24-EN311 while this card is equipped

while this card is equipped to a monster: You can gain 500 LP

If you have no Spells/Traps in your GY

the Prayers of the Voiceless Voice" (Quick Effect): You can negate the activation

it gains 1000 ATK until the end of your opponent's turn

your EARTH Warrior monsters cannot be destroyed by battle for the rest of this turn

MZMU-EN004 * Great Mammoth of the Netherworld * Rare * Maze of Muertos MP24-EN311 while this card is equippedIf 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.