Individual Cards · Duelist's Advance

Eidos the Underworld Monarch DUAD-EN017 Ultra Rare 1st Edition

Name: Eidos the Underworld Monarch DUAD-EN017 Ultra Rare 1st Edition
Brand: Duelist's Advance
Availability: InStock

Ultra RareHolofoilEN017

SetDuelist's Advance

NumberEN017

RarityUltra Rare

TypeEffect Monster

LanguageEnglish

Eidos the Underworld Monarch is a powerful Spellcaster Effect Monster from the Duelist's Advance set. This 1st Edition Ultra Rare card is essential for Monarch and Tribute-based strategies, offering both summoning and protection effects. A must-have for competitive Yu-Gi-Oh! players and collectors alike.✦ AI summary

Eidos the Underworld MonarchDUAD-EN017Ultra RareDuelist's Advance1st EditionYuGiOh

How much is Eidos the Underworld Monarch DUAD-EN017 Ultra Rare 1st Edition worth?

As of Aug 13, 2026, the market median price of Eidos the Underworld Monarch DUAD-EN017 Ultra Rare 1st Edition is $5.09 on eBay. Across 8 price snapshots tracked by TCGKami, the average is $5.18, ranging from a low of $5.09 (Aug 13, 2026) to a high of $5.24 (Jul 31, 2026), a -2.0% change over the tracking period.