Image via ygoprodeck.com
Caius the Shadow Monarch
Emperor of Darkness Structure Deck SR01-EN004 • common
- Set
- Emperor of Darkness Structure Deck
- Printing code
- SR01-EN004
- Rarity
- Common
- Card type
- Effect monster
- Attribute
- Dark
- Level / Rank
- 6
- ATK
- 2400
- DEF
- 1000
Where to find one
Search for Caius the Shadow Monarch on the marketplaces collectors use.
Listings from external marketplaces. We may earn a commission on qualifying purchases.
Where it came from
Caius the Shadow Monarch first debuted in the Yu-Gi-Oh! Trading Card Game in 2008 as a core card within the Light and Darkness Power expansion. Designed as a cornerstone of the Monarch archetype, the character was conceived to reward players for sacrificing a monster to summon a formidable powerhouse capable of banishing an opponent's card upon arrival. Its thematic roots lie in the dark, spectral aesthetic of the Monarch series, which features elemental rulers manifesting the forces of light, shadow, and frost.
The version from the Emperor of Darkness Structure Deck, released in 2016, serves as a reprint intended to make the card more accessible to contemporary players. This structure deck was highly regarded by the competitive community for revitalizing the Monarch strategy, reintroducing the iconic monster with updated art and card frame standards. While originally a tactical staple, the design remains celebrated for its efficiency and the straightforward, high-impact nature of its ability, which cemented its place as a classic piece of card game history.
Written by Pi, the helpful collecto.rs AI
Who's collecting this
Real cards collectors on collecto.rs who have this in their public collection.
About Caius the Shadow Monarch
Caius the Shadow Monarch is a card in the Yu-Gi-Oh! catalog on collecto.rs. Emperor of Darkness Structure Deck SR01-EN004 • common. Catalog data is sourced from YGOProDeck. No public cards collectors track this one yet — adding yours would make you the first on collecto.rs.
How many collectors track Caius the Shadow Monarch on collecto.rs?
Caius the Shadow Monarch doesn't have any public collectors on collecto.rs yet. Sign up to add it and become the first.
Can I track my own copy of Caius the Shadow Monarch?
Yes. collecto.rs is free — sign up to log your card, upload photos, record condition, edition, and acquisition cost, and connect with other yu-gi-oh! collectors. Your collection stays private by default.
Where does the Caius the Shadow Monarch catalog entry come from?
The catalog entry for Caius the Shadow Monarch is sourced from YGOProDeck. Catalog-level facts stay consistent across every collector; your own data (condition, edition, acquisition notes) is yours.
Is collecto.rs cards tracking free?
Yes. Tracking your cards is free — no paid tier required to catalog items, upload photos, or share your collection.
Track every card you own
Free. Fun. Collection photos, notes, organization, value tracking, friends — all in one place.
Sign up free
