Laplace's Demon (BT12-107) sells for $0.35 on TCGplayer (market price, Oct 22, 2026). A Black option card from BT12 in the Digimon card game — rarity C, cost 1.
$0.35TCGplayer market priceFrom $0.06 · 72 listings · as of Oct 22, 2026
Effect: [Main] Until the end of your opponent's turn, 1 of your opponent's Digimon gains "[Start of Your Main Phase] This Digimon attacks." Security Effect: [Security] Add this card to its owner's hand.