Card Trivia:Tri-Brigade Rugal the Silver Sheller
- This monster appears in the artworks of "Branded Opening", "New Frontier", "Tri-Brigade", "Tri-Brigade Showdown", "Tri-Brigade Revolt", and "Tri-Brigade Stand-Off".
- This monster is named after the rugaru, a werewolf-like creature in French mythology.
- This monster's title and usage of pistol-shaped axes are based on the silver bullet, a weapon that is effective against a werewolf.
