“強大な敵”ルヴィア is a Weiß Schwarz card from Fate/kaleid liner プリズマ☆イリヤ ツヴァイ ヘルツ！ PI/S40-021. Compare listings from Singapore Weiß Schwarz sellers on CardJio, then jio them on WhatsApp.
【CONT】 For each Marker under this card, this card gets +1000 Power. 【AUTO】 ［Place 1 card from Hand into Waiting Room］ When this card attacks, if 「世界蛇の口」 is in the Climax slot, you may pay the Cost. If you did, place the top card of your Deck into Waiting Room. If that card is a 《宝石》 Character, choose 1 of your opponent's Characters with Cost 1 or lower, place it into Waiting Room, until the end of your opponent's next turn, this card gets +1500 Power. 【AUTO】 When this card's battle opponent becomes REVERSE, you may choose 1 《宝石》 Character from your Waiting Room, place it faced down under this card as a Marker.
This card was printed in Japanese only; the English text above is an unofficial community translation.