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Ancient Rules Legendary Collection Kaiba #LCKC-EN039 Yu-Gi-Oh! card
Secret Rare

Ancient Rules Legendary Collection Kaiba #LCKC-EN039

Card #LCKC-EN039
Market value · ungraded
$0.56
▼ 7.0% · 30d
1st Edition ~$0.66 · Unlimited ~$0.56
Blended from live market data
Confidence medium · estimate, not an appraisal · How we price →
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Ancient Rules is a Secret Rare Yu-Gi-Oh! card from Legendary Collection Kaiba (#LCKC-EN039). Its current blended market value is $0.56 ungraded. Prices update from real market data.

Graded prices

We don't have a graded price for this card yet — there aren't enough verified graded sales to publish one we'd trust. A grade only appears here once enough real sold results back it. See the raw (ungraded) estimate above in the meantime.

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Not enough graded evidence yet — 0 graded sales recorded.

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Price history · raw near-mint

14 Jul 202621 Aug 2026
Latest
$0.56
Period high
$0.57
Period low
$0.52
Change
▼ 1.8%
Available to buy nowLive on eBay

Card details

Set
Legendary Collection Kaiba
Number
#LCKC-EN039
Rarity
Secret Rare
Game
Yu-Gi-Oh!

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Thunder Dragon
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Legendary Collection Kaiba Mega Pack [Unlimited]
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All Legendary Collection Kaiba cards →

Where to buy & check prices

Check recent sold prices
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Frequently asked questions

How much is Ancient Rules worth?

Ancient Rules (Legendary Collection Kaiba #LCKC-EN039) is worth around $0.56 ungraded, based on live Yu-Gi-Oh! market data.

Where can I buy Ancient Rules?

You can buy Ancient Rules on TCGplayer, Cardmarket and eBay — see the live listings on this page. Always compare against the blended market value first.

What rarity is Ancient Rules?

Ancient Rules is a Secret Rare Yu-Gi-Oh! card from the Legendary Collection Kaiba set.

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Citation
Ancient Rules (Legendary Collection Kaiba #LCKC-EN039) — Yu-Gi-Oh! market value $0.56. Source: CardTrack, https://cardtrack.com/yugioh/card/legendary-collection-kaiba/ancient-rules-lckc-en039
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<iframe src="https://cardtrack.com/embed/card?id=yugioh-legendary-collection-kaiba-ancient-rules-secret-rare" width="100%" height="160" style="border:0;max-width:460px" title="Ancient Rules price — CardTrack" loading="lazy"></iframe> <p style="font:12px system-ui">Source: <a href="https://cardtrack.com">CardTrack</a></p>