イカサマトランプ
Marked Deck is a Weiß Schwarz card from かぐや様は告らせたい～天才たちの恋愛頭脳戦～ KGL/S79-020. Compare listings from Singapore Weiß Schwarz sellers on CardJio, then jio them on WhatsApp.
Choose 1 of your 《Shuchiin》 characters, and that character gets +3000 power until end of turn. Put this card into your stock. All players reveal the top card of their deck. If the level of your revealed card is higher than your opponent's, choose 1 《Shuchiin》 character in your waiting room, and return it to your hand. If the level of your opponent's revealed card is higher than yours, your opponent chooses 1 of their characters, and that character gets +5000 power until end of turn. (Climax are regarded as level 0. Return the revealed cards to their original place)