大事な友達 is a Weiß Schwarz card from 「ひなろじ ～from Luck ＆ Logic～」Vol.2 HLL/WE29-24. Compare listings from Singapore Weiß Schwarz sellers on CardJio, then jio them on WhatsApp.
【CONT】 All of your characters get +1000 power and +1 soul. ([[salvage.gif]]: When this card triggers, you may choose 1 character in your waiting room, and return it to your hand)