Princess Bubblegum: What Was Missing is a Weiß Schwarz card from Adventure Time AT/WX02-051. Compare listings from Singapore Weiß Schwarz sellers on CardJio, then jio them on WhatsApp.
【AUTO】 When this card attacks, choose 1 of your other 《Ooo》 characters, and that character gets +X power until end of turn. X is equal to the number of other 《Ooo》 characters you have ×500.