激励の言葉 由美子 is a Weiß Schwarz card from グリザイアの果実 Vol.2 GRI/S84-061. Compare listings from Singapore Weiß Schwarz sellers on CardJio, then jio them on WhatsApp.
【AUTO】 [(2)] When you use this card's 『ASSIST』, you may pay the cost. If you did, search your Deck for up to 1 《グリザイア》 Character and show it to opponent, add it to Hand, shuffle your Deck afterwards. 【ACT】 【COUNTER】 ASSIST 1000 Level 1 [Place this card from Hand into Waiting Room] (Choose 1 of your Characters being Front Attacked, during that turn, it gets +1000 Power)
This card was printed in Japanese only; the English text above is an unofficial community translation.