Caius the Shadow Monarch
SDDE-EN001 · The Dark Emperor Structure Deck · Ultra Rare
Caius the Shadow Monarch is a Yu-Gi-Oh! card from The Dark Emperor Structure Deck, released April 2, 2008. This printing is Ultra Rare and carries a raw Near Mint market price of $18.66, updated throughout the week from live market data.
Listings
No active listings yet. The Near Mint market price is $18.66. List yours and you'll be the first. List this card →
Market activity
$18.66▲ 22.3% 100d
Market price · Near MintReference market price, updated Nov 2, 2026.
No active listings yet. Once stock appears, you’ll see price stats here.
Card details
- Series
- Yu-Gi-Oh! TCG
- Card number
- #1
- Rarity
- Ultra Rare
- Released
- April 2, 2008
- Type
- Effect Monster
- Subtypes
- Fiend
- Energy
- DARK
Other printings
The same card in other sets and rarities. Compare prices and pick the printing you want.

Quarter Century Bonanza
Platinum Secret Rare
$88.37

Quarter Century Bonanza
Quarter Century Secret Rare
$88.37

OTS Tournament Pack 19 (POR)
Super Rare
$9.10

OTS Tournament Pack 19 (POR)
Super Rare
$9.10

Emperor of Darkness Structure Deck
$7.85

Premium Gold
Gold Rare
$9.39

Duelist League 15 participation cards
Rare
$32.97

Battle Pack: Epic Dawn
Rare
$4.98

Battle Pack: Epic Dawn
Starfoil Rare
—

Turbo Pack: Booster Three
Ultimate Rare
$933.78

Gold Series 2009
Gold Rare
$17.00
More from The Dark Emperor Structure Deck
- Karma Cut$4.00
- Dimensional Alchemist$3.27
- Return from the Different Dimension$2.68
- Kycoo the Ghost Destroyer$2.52
- D.D.R. - Different Dimension Reincarnation$1.65
- Dimensional Fissure$1.42
- Torrential Tribute$1.24
- Lightning Vortex$0.94
- Soul Release$0.83
- D.D. Dynamite$0.82
- Nobleman of Crossout$0.75
- D.D. Survivor$0.74