Card Trivia:Digvorzhak, King of Heavy Industry
- This monster is based on a bucket-wheel excavator, a large heavy equipment machine which features a wheel and buckets to continuously scoop material while the wheel turns.
- The Japanese pronunciation of this card's name, "Dobokzak" (Doboku Zāku) features the word Zāku, the Japanese onomatopoeia for metal grinding or screeching against metal.