Card Trivia:Empty Machine
- This card's name references "Ein", the Jewish Kabbalistic term representing nothingness, nonexistence, and emptiness, used as part of the concept of Ein Sof.
- The translations of "Ein" are synonymous with the number "0", which represents an empty quantity. Fittingly, the golden ring in this card's artwork resembles the number "0", which also reflects this card's anime effect of reducing the ATK of the player's monsters to 0.
- This card's anime effect to Tribute Summon a Level 10 monster without Tributing is incorporated into the OCG/TCG effects of the "Timelord" monsters, except "Sephylon, the Ultimate Timelord".
