Card Trivia:Fatal Abacus

"Fatal Abacus":

• Gallery
• Rulings
• Errata
• Artworks
• Tips
• Trivia
• Appearances

• An abacus is a calculating tool that has been in use as far back as the ancient Sumerians between 2700-2300 BC.

• A total of 19 visible eyes appear on the abacus as counters.

• This device appears in the artworks of "Fruits of Kozaky's Studies", "Good Goblin Housekeeping", and "Spell Economics".
  • In the storyline of "Kozaky", it is revealed that a user can perform all calculations with this device so long as they remember the equations.