- This card's Japanese name is a blend of 宿借り (yadokari "hermit crab") and 竜 (ryū "dragon").
- On Game Boy Advance video game platforms, the effect was somehow mixed up; instead of going from Defense Position to Attack Position, it went vice-versa. When Metal Raiders was re-released (and this card's Set ID went from MRD-104 to MRD-EN104), it was rewritten from Attack Position to Defense Position, so this was not an error. In addition, video games always used the effect according to the new card lore.
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