TCGplayer, eBay sold listings, local demand, card condition, and grading potential can all point to different numbers for the same card
This guy made blue control decks virtually unplayable for a full year in Standard, until Tsabo's Decree finally saw print, mainly as a hoser for the Rebel deck fuelled by the Sergeant
It's a White/Black deck helmed by Brimaz, Blight of Oreskos or Moira and Teshar
Companion originally let you cast a single creature from your sideboard if you fit a specific condition, but its immense popularity across every format in the game led to decks needing a Companion to participate
It also doesnt have a lot of synergy with other item behemoth characters like Tamatoa which focuses on having items in the discard
Brawl Not Legal Vintage Legal Timeless Not Legal Commander Legal Pauper Not Legal Oathbreaker Legal Penny Not Legal Toolbox Buy This Card Notes and Rules Information for Scroll Rack: If there are not enough cards in the library, you do not lose