Rank Gazer (ID 511001609)
Normal Trap Card
Gain LP equal to the total Ranks of all Xyz Monsters you control x 300. This turn, if an Xyz Monster(s) you control leaves the field, you can Special Summon 1 Xyz Monster from your Extra Deck, and attach that monster(s) to it as Xyz Material.The first part of the effect works normally.
The second occurs without problem only if the destroyed Xyz Monster haven't Overlay Unit(s). If had, after the destruction, the Xyz Material(s) remain in the field, generating the error - A Xyz Monster
would be Special Summoned,
but the game is closed before.