本怖！貴方の後ろにいるよ こいし is a Weiß Schwarz card from 東方Project ～ Black and White Lotus Land. THP/S130-029. Compare listings from Singapore Weiß Schwarz sellers on CardJio, then jio them on WhatsApp.
【CONT】 This cannot be targeted by your opponent's effects. 【AUTO】 At the start of your Attack Phase, reveal the top card of your deck. If that card is a 《Gensokyo》 character, choose 1 of your characters, this turn, it gets +1000 power. 【ACT】 BRAINSTORM [(1) Rest this] Flip over the top 4 cards of your deck, then send them to Waiting Room. For each CX among them, choose up to 1 character from your Waiting Room, and add it to hand.
This card was printed in Japanese only; the English text above is an unofficial community translation.