Forum:Question about number 39 utopia

I have number 39 utopia on my side of the field with no xyz material, its effect when it have no xyz material number 39 utopia is destroy when it is targeted by an attack, does being targeted by a attack happen in the declare an attack sub-step of the battle phase?96.44.92.186 (talk) 22:58, March 18, 2012 (UTC)