Nếu Number C39: Utopia Ray được Triệu hồi Xyz bằng cách đặt nó lên trên Number 39: Utopia , thì hiệu ứng của Xyz Change Tactics có thể được kích hoạt không?

LIGHT

3 Level 4 LIGHT monsters You can also Xyz Summon this card by using a "Number 39: Utopia" you control as the Xyz Material. (Xyz Materials attached to that monster also become Xyz Materials on this card.) You can detach 1 Xyz Material from this card; it gains 500 ATK and 1 monster your opponent controls loses 1000 ATK, until the End Phase. You must have 1000 Life Points or less to activate and to resolve this effect.

LIGHT

2 Level 4 monsters When a monster declares an attack: You can detach 1 material from this card; negate the attack. If this card is targeted for an attack, while it has no material: Destroy this card.

Spell Continuous

When a "Utopia" monster is Xyz Summoned to your field: You can pay 500 LP; draw 1 card. You can only control 1 "Xyz Change Tactics".