You can use each effect among the (1)st and (2)nd effects with this card’s name only once per turn.
(1) Banish 1 Zombie monster on the field, then choose 1 Zombie monster in the banished monster’s controller’s GY, and if you do, Special Summon it in Defense Position to its owner’s field.
(2) If this card is in your GY: You can shuffle 1 of your banished Zombie monsters into the Deck, and if you do, Set this card, but banish it when it leaves the field.