Card Trivia:Arcana Knight Joker
- This is the cover card of Limited Edition 8 and Speed Duel: Arena of Lost Souls.
- This monster is based on the Joker, a playing card which represents the addition to the four standard playing card suits.
- This monster is an upgraded Fusion form of "Jack's Knight", combined with "King's Knight" and "Queen's Knight".
- This card is a counterpart of "Arcana Extra Joker" (the upgraded Link Monster form of "King's Knight") and "Arcana Triumph Joker" (the upgraded Effect Monster form of "Queen's Knight").