No. 666 is a Weiß Schwarz card from Booster Pack The Eminence in Shadow EIS/SX07-074. Compare listings from Singapore Weiß Schwarz sellers on CardJio, then jio them on WhatsApp.
【AUTO】 1/TURN@ When you use an 【ACT】, this card gets +1500 power and the following ability until end of turn. "【AUTO】 When this card attacks, reveal the top card of your deck. If that card is level 1 or higher, put it into your stock." (Otherwise, return it to its original place. Climax are regarded as level 0)