“ミスターフラッグ”ハタ坊 is a Weiß Schwarz card from おそ松さん OMS/S41-014. Compare listings from Singapore Weiß Schwarz sellers on CardJio, then jio them on WhatsApp.
【AUTO】 When you use this card's "Backup", choose one of your yellow characters in battle, and that character gets +1000 power until end of turn. 【ACT】【COUNTER】 Backup 1000, Level 1 ［Put this card from your hand into your waiting room］ （Choose one of your characters that is being frontal attacked, and that character gets +1000 power until end of turn.）