Tôi kích hoạt hiệu ứng của Zoodiac Tigermortar , chọn vào một Zoodiac Drident trên sân của tôi và một quái thú "Zoodiac" trong Mộ của tôi. Nếu Book of Moon là chain , thay đổi Zoodiac Drident mặt, hiệu ứng của Zoodiac Tigermortar thực thi như thế nào?

EARTH

3 Level 4 monsters Once per turn, you can also Xyz Summon "Zoodiac Tigermortar" by using 1 "Zoodiac" monster you control with a different name as Xyz Material. (If you used an Xyz Monster, any Xyz Materials attached to it also become Xyz Materials on this card.) This card gains ATK and DEF equal to the ATK and DEF of all "Zoodiac" monsters attached to it as Materials. Once per turn: You can detach 1 Xyz Material from this card, then target 1 Xyz Monster you control and 1 "Zoodiac" monster in your Graveyard; attach that "Zoodiac" monster to that Xyz Monster as Xyz Material.

EARTH

4 Level 4 monsters Once per turn, you can also Xyz Summon "Zoodiac Drident" by using 1 "Zoodiac" monster you control with a different name as Xyz Material. (If you used an Xyz Monster, any Xyz Materials attached to it also become Xyz Materials on this card.) This card gains ATK and DEF equal to the ATK and DEF of all "Zoodiac" monsters attached to it as Materials. Once per turn, during either player's turn: You can detach 1 Xyz Material from this card, then target 1 face-up card on the field; destroy it.

Spell Quick

Target 1 face-up monster on the field; change that target to face-down Defense Position.