這い寄る混沌 ニャル子 is a Weiß Schwarz card from GA文庫 GA14/S131-036. Compare listings from Singapore Weiß Schwarz sellers on CardJio, then jio them on WhatsApp.
【AUTO】 {CX Combo} When this attacks, if you have the Bar CX (063) in your CX Area, this turn, this gets +4000 power, then choose 1 of the following 2 effects and resolve it, a) "Heal up to 1, then choose up to 1 《GA Bunko》 character in your Waiting Room, send it to Stock." b) "Look at up to 2 cards from the top of your opponent's deck, choose up to 2 cards from among them, put them on top of your opponent's deck in any order, and send the rest to Waiting Room, then randomly choose 1 card from your opponent's hand, reveal it, send it to Memory, at the end of your opponent's next turn, your opponent returns it to their hand."
This card was printed in Japanese only; the English text above is an unofficial community translation.