Xantcha, Sleeper Agent Secret Lair 30th Anniversary Countdown Kit #51 Magic: The Gathering card

Rare

Xantcha, Sleeper Agent Secret Lair 30th Anniversary Countdown Kit #51 (Foil)

Card #51 · Foil version · Illustrated by Matthew Southworth · Black / Red Colour

Other versions: Standard #24 ($1.62)

Market value · ungraded

$16.22

▼ 0.3% · 30d

Blended from live market data · graded from real sold data
Confidence high · estimate, not an appraisal · How we price →

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Xantcha, Sleeper Agent is a Rare Magic: The Gathering card from Secret Lair 30th Anniversary Countdown Kit (#51), illustrated by Matthew Southworth. Its current blended market value is $16.22 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.

✨ Is it worth it?

An AI market read of this card — value, momentum, grading economics, liquidity. It lays out the data; you decide.

Price history · Raw

1 Jan 202421 Aug 2026

Latest

$16.22

Period high

$20.00

Period low

$5.00

Change

▲ 224.4%

Available to buy nowLive on eBay

Card details

Set: Secret Lair 30th Anniversary Countdown Kit
Number: #51
Rarity: Rare
Illustrator: Matthew Southworth
Colour: Black / Red
Game: Magic: The Gathering

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Where to buy & check prices

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Frequently asked questions

How much is Xantcha, Sleeper Agent worth?

Xantcha, Sleeper Agent (Secret Lair 30th Anniversary Countdown Kit #51) is worth around $16.22 ungraded, based on live Magic: The Gathering market data.

Where can I buy Xantcha, Sleeper Agent?

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

What rarity is Xantcha, Sleeper Agent?

Xantcha, Sleeper Agent is a Rare Magic: The Gathering card from the Secret Lair 30th Anniversary Countdown Kit set, illustrated by Matthew Southworth.

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Citation

Xantcha, Sleeper Agent (Secret Lair 30th Anniversary Countdown Kit #51) — Magic: The Gathering market value $16.22. Source: CardTrack, https://cardtrack.com/magic/card/secret-lair-30th-anniversary-countdown-kit/xantcha-sleeper-agent-51

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