Mastemon
Hackers' Slumber · BT23-102 SEC
Printings2
BT-23 · BT23-102 SECENHackers' Slumber$5.56Viewing- BT-BT-23 · BT23-102 SECENHackers' Slumber—
Mastemon across sets & languages(9)
Release Special Booster 1.5BT3-090 SR$6.16
Release Special Booster 1.5BT3-090 SR$1.39
Dimensional PhaseST10-06 SR$67.08
World ConvergenceP-187 P$4.26
Hackers' SlumberBT23-102 SEC$448.74
Hackers' SlumberBT23-102 SEC$53.50
Digital HazardST10-06 SR$0.76
Starter Deck 10: Parallel World TacticianST10-06 SR$0.32
Starter Deck 10: Parallel World TacticianST10-06 SR$6.71
Same name, other languages or different rules text. Same-language reprints already sit in Printings above.
eBay
TCGplayer
Cardmarket