Caius the Shadow Monarch, Ultra Rare Yu-Gi-Oh! card SDDE-EN001 from Structure Deck: The Dark Emperor, released April 2, 2008. See its other printings, check its price and track whether you own it with Trak Vault.
Caius the Shadow Monarch from Structure Deck: The Dark Emperor has TCGplayer market prices (USD) as of November 13, 2026 of $16.96 for the 1st Edition printing and $19.13 for the Unlimited printing.
This Caius the Shadow Monarch is from Structure Deck: The Dark Emperor.
Caius the Shadow Monarch in Structure Deck: The Dark Emperor is Ultra Rare.
All Structure Deck: The Dark Emperor cards · Every Caius the Shadow Monarch card