Skypalace Gangaridai (Secret Rare)

2 Level 10 monsters You can detach 1 Xyz Material from this card, then target 1 card your opponent controls, destroy that target, and if you do, inflict 1000 damage to your opponent. You can only use the effect of "Skypalace Gangaridai" once per turn. This card cannot attack the turn you activate this effect.