Jake: What Was Missing is a Weiß Schwarz card from Adventure Time AT/WX02-016. Compare listings from Singapore Weiß Schwarz sellers on CardJio, then jio them on WhatsApp.
【CONT】 If you have another "Finn: What Was Missing", this card gets +500 power and the following ability. "【AUTO】 When this card's battle opponent becomes 【REVERSE】, you may put this card into your memory. If you do, at the beginning of your next draw phase, choose 1 "Jake: What Was Missing" in your memory, and put it on any position of your stage."