- This card was designed to work with "Rare Metal Dragon".
- This card is similar to "Marauding Captain" in several ways. For one, they're both Warrior monsters that each have 1200 ATK. Physically, they both wear armor, have similar-looking hair in terms of color, and both wear capes. Both of them also allow a player to Special Summon monsters from the hand; "Marauding Captain" lets yourself do so as soon as it's Summoned, while the effect of "Familiar Knight" activates when it's destroyed in battle, and both players get to do so.
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