実験開始 りすくま先輩 is a Weiß Schwarz card from ぷよぷよ PY/S38-097. Compare listings from Singapore Weiß Schwarz sellers on CardJio, then jio them on WhatsApp.
【CONT】 If 「りすくませんぱい」 is in your Clock, this card gets -1 Level in your Hand. 【AUTO】 When 「実験大成功」 is placed into your Climax Slot, if this card is in the Front Row, search your Deck for up to 1 《ぷよ》 Character and show it to your opponent, add it to Hand, shuffle your Deck afterwards.
This card was printed in Japanese only; the English text above is an unofficial community translation.