Gem-Knight Zirconia
Battles of Legend: Monster Mayhem · #EN142

Gem-Knight Zirconia

Gem-Knight Zirconia is a Ultra Rare Fusion Monster from Battles of Legend: Monster Mayhem (EN142) in the Yu-Gi-Oh! TCG. Stats: EARTH, Level 8, ATK 2900, DEF 2500. Archetype: Gem-. Cactaur's latest catalog snapshot shows a market reference near $0.19 for ungraded copies.

Battles of Legend: Monster Mayhem set collectorsGem- deck buildersPrice-conscious singles buyers
TCGPlayer market $0.19
Cardmarket trend
Rarity Ultra Rare
App coming soon

Who is this card for?

Gem-Knight Zirconia suits collectors and players working on Battles of Legend: Monster Mayhem who need the Ultra Rare slot. Compare listing photos to your target edition and confirm the YGOPRODeck set code before buying online.

What is Gem-Knight Zirconia from Battles of Legend: Monster Mayhem?

Gem-Knight Zirconia is a Fusion Monster in Battles of Legend: Monster Mayhem numbered EN142. EARTH, Level 8, ATK 2900, DEF 2500. Archetype: Gem-. Gem-Knight Zirconia (EN142) from Battles of Legend: Monster Mayhem should be evaluated with set context, stats, archetype, and condition together.

What is Gem-Knight Zirconia worth today?

Cactaur tracks a market reference near $0.19 for Gem-Knight Zirconia. Low and high spread runs $0.19 to null. This printing is from Battles of Legend: Monster Mayhem. Collector number EN142 distinguishes this printing from same-name cards in other sets. Catalogued rarity: Ultra Rare.

SetBattles of Legend: Monster Mayhem
NumberEN142
RarityUltra Rare
TCGPlayer USD$0.19
Cardmarket EUR

How collectible is Gem-Knight Zirconia?

Gem-Knight Zirconia is a Ultra Rare printing in Battles of Legend: Monster Mayhem. Master set builders use set code and passcode to track completion progress. This printing is from Battles of Legend: Monster Mayhem. Collector number EN142 distinguishes this printing from same-name cards in other sets.

What are the key details for Gem-Knight Zirconia?

Gem-Knight Zirconia lists as Fusion Monster (Rock). Rules text is indexed in the catalog for search and deck research. This printing is from Battles of Legend: Monster Mayhem. Collector number EN142 distinguishes this printing from same-name cards in other sets. Catalogued rarity: Ultra Rare.

Cactaur's take

Gem-Knight Zirconia (EN142) from Battles of Legend: Monster Mayhem should be evaluated with set context, stats, archetype, and condition together.

Pros

  • Gem-Knight Zirconia is catalogued as Ultra Rare Fusion Monster in Battles of Legend: Monster Mayhem, making set code and passcode verification straightforward.
  • Public market data shows a reference near $0.19.
  • EARTH, Level 8, ATK 2900, DEF 2500 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 $0.19 as a benchmark, then adjust for edition, grade, and how quickly you need to buy or sell.

FAQ

What is Gem-Knight Zirconia from Battles of Legend: Monster Mayhem?

Gem-Knight Zirconia is a Ultra Rare Fusion Monster from Battles of Legend: Monster Mayhem numbered EN142 in the Yu-Gi-Oh! TCG. Cactaur indexes set, rarity, stats, and market references for this printing.

How much is Gem-Knight Zirconia worth?

Cactaur's catalog snapshot shows a market reference near $0.19 for ungraded Gem-Knight Zirconia. Condition, edition, and recent sold comps can move realized prices above or below that benchmark.

What rarity is Gem-Knight Zirconia?

Gem-Knight Zirconia is catalogued as Ultra Rare in Battles of Legend: Monster Mayhem. Use the set code on listings to confirm you are buying this exact printing.

How do I verify the correct Gem-Knight Zirconia printing?

Match set code blmm, collector number EN142, and edition. YGOPRODeck-backed metadata on this page is the reference Cactaur uses for catalog keys. This printing is from Battles of Legend: Monster Mayhem.

Should I buy Gem-Knight Zirconia near mint or played?

Near-mint copies command the catalog reference near $0.19. 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.