Card Trivia:Watch Tranquilizer
- This card's effect is similar to the effect of "Burden of the Mighty", But the second one is a Continuous Spell Card that affects all opponent's monsters.
- This may be a reference to a gadget used by Conan in the anime TV series Case Closed (also known as "Detective Conan"), since they resemble each other in appearance (pop-up aiming scope), function, and name (in Japanese).
