Caius the Shadow Monarch
Quarter Century Bonanza · #EN194

Caius the Shadow Monarch

Caius the Shadow Monarch is a Platinum Secret Rare Effect Monster from Quarter Century Bonanza (EN194) in the Yu-Gi-Oh! TCG. Stats: DARK, Level 6, ATK 2400, DEF 1000. Archetype: Monarch. Cactaur's latest catalog snapshot shows a market reference near $13.37 for ungraded copies.

Quarter Century Bonanza set collectorsMonarch deck buildersPrice-conscious singles buyers
TCGPlayer market $13.37
Cardmarket trend
Rarity Platinum Secret Rare
App coming soon

Who is this card for?

Caius the Shadow Monarch suits collectors and players working on Quarter Century Bonanza who need the Platinum Secret Rare slot. Compare listing photos to your target edition and confirm the YGOPRODeck set code before buying online.

What is Caius the Shadow Monarch from Quarter Century Bonanza?

Caius the Shadow Monarch is a Effect Monster in Quarter Century Bonanza numbered EN194. DARK, Level 6, ATK 2400, DEF 1000. Archetype: Monarch. Caius the Shadow Monarch (EN194) from Quarter Century Bonanza should be evaluated with set context, stats, archetype, and condition together.

What is Caius the Shadow Monarch worth today?

Cactaur tracks a market reference near $13.37 for Caius the Shadow Monarch. Low and high spread runs $13.37 to null. This printing is from Quarter Century Bonanza. Collector number EN194 distinguishes this printing from same-name cards in other sets. Catalogued rarity: Platinum Secret Rare.

SetQuarter Century Bonanza
NumberEN194
RarityPlatinum Secret Rare
TCGPlayer USD$13.37
Cardmarket EUR

How collectible is Caius the Shadow Monarch?

Caius the Shadow Monarch is a Platinum Secret Rare printing in Quarter Century Bonanza. Master set builders use set code and passcode to track completion progress. This printing is from Quarter Century Bonanza. Collector number EN194 distinguishes this printing from same-name cards in other sets.

What are the key details for Caius the Shadow Monarch?

Caius the Shadow Monarch lists as Effect Monster (Fiend). Rules text is indexed in the catalog for search and deck research. This printing is from Quarter Century Bonanza. Collector number EN194 distinguishes this printing from same-name cards in other sets. Catalogued rarity: Platinum Secret Rare.

Cactaur's take

Caius the Shadow Monarch (EN194) from Quarter Century Bonanza should be evaluated with set context, stats, archetype, and condition together.

Pros

  • Caius the Shadow Monarch is catalogued as Platinum Secret Rare Effect Monster in Quarter Century Bonanza, making set code and passcode verification straightforward.
  • Public market data shows a reference near $13.37.
  • DARK, Level 6, ATK 2400, DEF 1000 helps deck builders confirm the correct printing quickly.

Cons

  • Raw market prices vary by condition and edition — near-mint estimates are not slab grades.

Verdict: Use $13.37 as a benchmark, then adjust for edition, grade, and how quickly you need to buy or sell.

FAQ

What is Caius the Shadow Monarch from Quarter Century Bonanza?

Caius the Shadow Monarch is a Platinum Secret Rare Effect Monster from Quarter Century Bonanza numbered EN194 in the Yu-Gi-Oh! TCG. Cactaur indexes set, rarity, stats, and market references for this printing.

How much is Caius the Shadow Monarch worth?

Cactaur's catalog snapshot shows a market reference near $13.37 for ungraded Caius the Shadow Monarch. Condition, edition, and recent sold comps can move realized prices above or below that benchmark.

What rarity is Caius the Shadow Monarch?

Caius the Shadow Monarch is catalogued as Platinum Secret Rare in Quarter Century Bonanza. Use the set code on listings to confirm you are buying this exact printing.

How do I verify the correct Caius the Shadow Monarch printing?

Match set code ra03, collector number EN194, and edition. YGOPRODeck-backed metadata on this page is the reference Cactaur uses for catalog keys. This printing is from Quarter Century Bonanza.

Should I buy Caius the Shadow Monarch near mint or played?

Near-mint copies command the catalog reference near $13.37. Heavily played copies trade lower unless the card is a chase rare where any clean copy is scarce.

Related cards

Trust & data sources. Cactaur displays catalog and market data from pokemontcg.io embedded TCGPlayer/Cardmarket references. Prices change frequently and are not guarantees.

Cactaur does not authenticate cards or guarantee values. Scan your copy in the iPhone app for condition-aware guidance.

Catalog snapshot: 2026-06-25. Last updated: 2026-06-25.