Serpent Night Dragon, a Secret Rare card from the Magic Ruler set (#MRL-E130), is a notable addition to any Yu-Gi-Oh! collection. Currently valued at $100.00, it appeals to collectors due to its unique artwork and competitive play potential. As a powerful dragon-type monster, it holds a significant place in the game's history, often sought after for both its gameplay and collectible value. Grading data may enhance its market appeal further.