貴族令嬢の幼馴染 ディア is a Weiß Schwarz card from 角川スニーカー文庫 Vol.2 Sak/W123-071. Compare listings from Singapore Weiß Schwarz sellers on CardJio, then jio them on WhatsApp.
【AUTO】 When this is placed on stage from hand, all players resolve the following effect: "If you have 5 or more Memory, choose 4 cards from your Memory, and send all other cards to Waiting Room." 【AUTO】 When this attacks, choose 1 of your other 《Sneaker Bunko》 characters, this turn, it gets +X power. X equals the number of your other 《Sneaker Bunko》 characters times 500.
This card was printed in Japanese only; the English text above is an unofficial community translation.