歩幅を合わせて フェルン＆シュタルク is a Weiß Schwarz card from 葬送のフリーレン Vol.2 SFN/S136-052. Compare listings from Singapore Weiß Schwarz sellers on CardJio, then jio them on WhatsApp.
【CONT】 If you have 4 or more 《Adventurer》 or 《Magic》 characters, this gets -1 Level in hand. 【CONT】 If you have 2 or more other 《Adventurer》 or 《Magic》 characters, this gets +2000 power. 【AUTO】 When this is placed on stage from hand, choose 1 of the following 2 effects and resolve it, a) "You may heal 1." b) "If you have 2 or more other 《Adventurer》 or 《Magic》 characters, until the end of your opponent's next turn, this gains the following ability, "【CONT】 The character across from this gets -2 soul.""
This card was printed in Japanese only; the English text above is an unofficial community translation.