銀鉱石を探す魔法 is a Weiß Schwarz card from 葬送のフリーレン Vol.2 SFN/S136-019. Compare listings from Singapore Weiß Schwarz sellers on CardJio, then jio them on WhatsApp.
Mill 3, then choose up 1 Level X or lower 《Adventurer》 or 《Magic》 character from your Waiting Room, add it to hand. X equals the number of cards without a Soul Trigger sent to Waiting Room by this effect.
This card was printed in Japanese only; the English text above is an unofficial community translation.