Card Trivia:Noble Knight Medraut
- This card's name is the Welsh name for Mordred, one of the Knights of the Round Table.
- Mordred was the half-brother of Gawain ("Noble Knight Gawayn"), and the illegitimate son to King Arthur ("Artorigus, King of the Noble Knights").
- Mordred is most well known for his betrayal of Arthur and mortally wounding him in a battle that led to both their deaths.
- This card's effect (becoming DARK and increasing its Level by 1) when equipped with a "Noble Arms" Equip Card reflects Mordred's betrayal when he usurped King Arthur's position as king.
- The shadow behind this monster in its artwork also hints at this betrayal.
- This card's Equip Spell destruction effect varies slightly from that of "Noble Knight Gwalchavad" in that it does not need to destroy a "Noble Arms" card.
- This is a cover card of Extra Pack: Sword of Knights.
- This monster appears in the artworks of "Noble Knights of the Round Table" and "Noble Arms - Clarent".
- The sword this monster is holding in its card artwork is "Noble Arms - Clarent".
- This card is similar to the Gemini monsters, except that it needs to be equipped with an Equip Spell instead of needing a Gemini Summon to gain its effect.
- This card was also the first non-Gemini monster to be treated as a Normal Monster while face-up on the field.