Apparently not, because today yet another new card was revealed that supports Noble Knights. Sigh.
Gwenhwyfar, Queen of Noble Arms
Light / 2 / Spellcaster / 300 / 300
(The effect was never explicitly stated in the article, but it's currently believed to be something like this:)
You can target 1 "Noble Knight" monster you control; equip this card from your hand or Graveyard to that target. You can only use this effect of "Gwenhwyfar, Queen of Noble Arms" once per turn. The equipped monster gains 300 ATK and the appropriate effect, depending on the Attribute of the equipped monster:
LIGHT: If the equipped monster would be destroyed by a card effect, you can destroy this card instead.