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- Gumblar is a malicious JavaScript trojan horse file that redirects a user's Google searches, and then installs rogue security software. Also known as Troj/JSRedir-R, this botnet first appeared in 2009.
- This card is the first Link Monster to appear in the anime with an effect that mentions being Extra Linked.
- In the real card game, it is also the first Legal Link Monster with an effect that involves Extra Linking.
- This card's effect which involves being Extra Linked is known as "Deus ex machina", which is latin for "God of the Machine". This phrase is used to describe a plot device where a seemingly unsolvable problem in a story is suddenly solved by an unexpected solution. This could be a reference to how Revolver having Extra Linked, and the fact that the damage cannot be negated, it seems impossible for Playmaker to come out alive, but by a chance card, he made it.