師匠と弟子 九頭竜八一＆雛鶴あい is a Weiß Schwarz card from GA文庫 GA19/S131-082. Compare listings from Singapore Weiß Schwarz sellers on CardJio, then jio them on WhatsApp.
【CONT】 All of your other 《GA Bunko》 characters get +1000 power. 【ACT】 [(1) Rest this] Choose 1 of your 《GA Bunko》 characters, this turn, it gains the following ability, "【AUTO】 When this card's battle opponent is Reversed, choose up to 1 level X or lower character in your Waiting Room, add it to hand. then choose 1 of your characters, this turn, it gets +2000 power. X is equal to this card's battle opponent's level."
This card was printed in Japanese only; the English text above is an unofficial community translation.