心の音は響き合う is a Weiß Schwarz card from 幻日のヨハネ -SUNSHINE in the MIRROR- YHN/W111-045. Compare listings from Singapore Weiß Schwarz sellers on CardJio, then jio them on WhatsApp.
BRAINSTORM – Flip the top three cards of your Deck, send them to Waiting Room. Choose up to one Level X or lower《Sound of Heart》Character in your Waiting Room, add it to Hand. X is the number of《Sound of Heart》Characters sent to Waiting Room by this effect.
This card was printed in Japanese only; the English text above is an unofficial community translation.