For most formats, there's not much public information available on the individuals who make these decisions, but we do know that MTG's Play Design team has some say in what cards are banned
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Its card theft mechanic is also very pirate-y, and its no surprise how popular Captain N'ghathrod has been since it helmed a Baldurs Gate Commander precon
Some players use it more aggressively than I do, countering the first strong one mana card they see like Sol Ring, Mystic Remora, or a topdeck tutor like Vampiric Tutor or Mystical Tutor
aristocrats decks) will have the ability to go off, giving you effectively nine creatures to sacrifice on a single card
Beyond that there's only a few other strong Knights I'd recommend: Invasion of New Phyrexia, Battle Angels of Tyr, Cavalier of Dawn, that's pretty much it