• This card's Japanese name is "Death Calculator".
    • This card's English name is more or less the same, except with different words. An Abacus is an ancient calculator.
  • There are a total of 19 eyes being used as counters on the abacus.
  • In "Kozaky's" storyline, it is revealed that this device can perform all calculations, so long as you remember the equations.
  • "Coffin Seller" has an effect similar to this one, but only affects your opponent.
    • Both card's names and artworks are also macabre-themed.

Ad blocker interference detected!

Wikia is a free-to-use site that makes money from advertising. We have a modified experience for viewers using ad blockers

Wikia is not accessible if you’ve made further modifications. Remove the custom ad blocker rule(s) and the page will load as expected.