The Lost Throne of the Light Palace (TOP-010 N) [Ten Oaths of Protopaterpolis' War]

[Stealth] If you control three cards in your standby area and a light J/ruler. (While this card is in your standby area, you may play it without paying its cost if its [Stealth] condition is met.) [Mobilize] (J/resonator) [First Strike] [Barrier] [Enter] or whenever this card attacks >>> Destroy target darkness resonator your opponent controls. [Eclipse] - J/resonators your opponent controls cannot attack unless it's your opponent's first attack this turn.