When a Spell Card, Trap Card, or monster effect is activated that targets a face-up Xyz Monster(s) on the field: Negate the activation, and if you do, destroy it, then inflict 800 damage to your opponent
It is better to take care of the cards from the very beginning, this will definitely benefit you in the future
If so, do you have a story about how you were finally able to locate it
As an example, let's take Fifth Dawn 's Relentless Rats (despite Adrian Sullivan's hint that I designed the card, the Rats were actually the work of Brian Tinsman)
Given rainbow rare cards are a thing of the past, and Lugias enduring popularity, this is certainly a strong collectible item you may want to hold onto