Yu-Gi-Oh! · Structure Deck: The Dark Emperor
Caius the Shadow Monarch
French name: Caius, le Monarque des Ombres
Caius the Shadow Monarch (Structure Deck: The Dark Emperor SDDE-EN001) has a market price of US$16.92 to US$18.67 as of Nov 9, 2026.
Price guide
The market price on TCGplayer, in US dollars: a guide, not an offer.
Market price
As of Nov 9, 2026 · The market price is TCGplayer’s, in US dollars. It is a guide, not an offer.
Card details
- Type
- Effect Monster
- Level
- 6
- Attribute
- DARK
- Monster type
- Fiend
- Archetype
- Monarch
- ATK
- 2,400
- DEF
- 1,000
Card text
When this card is Tribute Summoned, remove from play 1 card on the field. If it was a DARK Monster Card, inflict 1000 damage to your opponent.
About this card
Caius the Shadow Monarch is card SDDE-EN001 in Structure Deck: The Dark Emperor, a Yu-Gi-Oh! set released Apr 2, 2008. Rarity: Ultra Rare. Finishes: Unlimited, 1st Edition. Reference market price on Nov 9, 2026: US$18.67 (Unlimited), US$16.92 (1st Edition). Over the last 30 days, the Unlimited price went down 0.7%. Source: TCGplayer market data via tcgcsv.com, updated daily. A reference price is not an offer.
Other printings
- Caius the Shadow Monarch (UTR)TU03-EN000Turbo Pack: Booster Three · US$933.78
- Caius the Shadow Monarch (Quarter Century Secret Rare)RA03-EN194Quarter Century Bonanza · US$89.57
- Caius the Shadow Monarch (Purple)DL15-EN006Duelist League Promo · US$32.98
- Caius the Shadow Monarch (Blue)DL15-EN006Duelist League Promo · US$18.05
- Caius the Shadow MonarchGLD2-EN033Gold Series 2009 · US$17.00
- Caius the Shadow Monarch (Platinum Secret Rare)RA03-EN194Quarter Century Bonanza · US$16.73
- Caius the Shadow Monarch (Green)DL15-EN006Duelist League Promo · US$16.00
- Caius the Shadow Monarch (Red)DL15-EN006Duelist League Promo · US$14.66
