ピーク・フィンガー
Pieck Finger is a Union Arena card from Attack on Titan Vol.2 EX10BT/AOT-2-014. Compare listings from Singapore Union Arena sellers on CardJio, then jio them on WhatsApp.
"[When Played] [If on the Energy Line] If you have four or more yellow character cards with unique names other than [The Rumbling] affinity on your field, switch this character to active. [Activate: Main] [Switch to Resting] Choose one other character on your field. It gains 1000 BP until the end of the turn.