Finn: Trusty Weapon is a Weiß Schwarz card from Adventure Time AT/WX02-006. Compare listings from Singapore Weiß Schwarz sellers on CardJio, then jio them on WhatsApp.
【CONT】 Memory If "Scarlet, the Golden Sword of Battle" is in your memory, this card gains the following ability. "【AUTO】 When this card's battle opponent becomes 【REVERSE】, you may put the top card of your deck into your stock."