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"A Case for K9" (Starlight Rare) YU-GI-OH

Starlight Rare · #JUSH-EN040

"A Case for K9" (Starlight Rare) #JUSH-EN040 (Justice Hunters) is worth about $12.37 today, the TCGplayer market price for any condition as of 2026-10-29, up 19% over 30 days.

This card has 2 printings (TCGplayer market, 2026-10-29): Starlight Rare $12.37 (this page), Super Rare $0.26.

price trend and the high since we began tracking: more ↓

"A Case for K9" (Starlight Rare) #JUSH-EN040 is trending up: $12.37 today, up 19% in 30 days and at its highest since we began tracking (2026-09-16), set 2026-10-29, and 1.3x its low of $9.86 (2026-09-16). TCGplayer market price as of 2026-10-29, tracked daily since 2026-09-16. chart →

Price data for your app or store: free API key · daily history since 2024 · CSV download

$12.37
▲ 19.1% · 30d
TCGplayer market · daily · any condition ↗
condition prices from JustTCG listings, as of 2026-10-27
condition prices as of 2026-10-27; the chart and boards use the daily product tape
LOADING TAPE

WORTH GRADING?

WHERE TO BUY AND SELL

TCGplayer
$9.83
lowest listing · market $12.37
buy on TCGplayer ↗
eBay · raw
no listings
no raw listings in the price window
shop active ↗ · sold ↗
eBay · PSA 10
no graded listings
no graded asks in the last scan
PSA 10 sold listings ↗
Buy-side estimate
$12.37
THIN
a patient buyer pays about $12.37 delivered, from live asks, not sales
show the work →
TCGplayer only, no usable eBay asks in the latest scan
TCGplayer market$12.37verify ↗
TCGplayer lowest ask$9.83
Single source: TCGplayer market (no usable eBay asks in the last scan).
sell to a card shop: $8.66 cash · $9.90 store credit · about 70% / 80% of market
Floors are the median of the three lowest clean asks. Marketplace links may earn TickerMint a commission; it never affects the numbers.
The verdict · premium
Across every game TickerMint tracks, cards at their high after a month up 5-25% were higher 90 days later 74% of the time in our archive since 2024 (25,945 cases). That rate is mostly the 202448 to 5877 to 86marketplace fees of about 13% most short holds lose money. Use it to time a sale, not to flip.
The median move, the verdict and the grade-worthy math: try Premium free for 7 days →
GAME DATA[ + ] SHOW
ATTRIBUTE
SPELL
CARD TYPE
Continuous Spell
DESCRIPTION
When this card is activated: You can add 1 "K9" monster from your Deck to your hand. "K9" monsters you control gain 900 ATK during any turn in which your opponent has activated a monster effect in the hand or GY. If this card in the Spell & Trap Zone is destroyed by card effect: You can Set 1 "K9" Quick-Play Spell from your Deck or GY. You can only use this effect of ""A Case for K9"" once per turn. You can only activate 1 ""A Case for K9"" per turn.

MORE FROM JUSTICE HUNTERS

FULL SET →

PRICE FAQ

Why does "A Case for K9" #JUSH-EN040 have two prices?

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"A Case for K9" #JUSH-EN040 was printed 2 ways and each one sells separately: Starlight Rare $12.37; Super Rare $0.26 (TCGplayer market, 2026-10-29). Check the set, the rarity mark and any parallel foil, manga art or edition stamp on your copy to know which price is yours; TickerMint prices every printing on its own page.

What would a card shop pay for "A Case for K9" (Starlight Rare)?

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Shops and show vendors commonly offer about 70% of market in cash and 80% in store credit. At today's $12.37 market price that is roughly $8.66 cash or $9.90 trade for a near-mint copy. Selling it yourself on TCGplayer or eBay nets more after fees; see the seller-net answer below.

What is "A Case for K9" (Starlight Rare) (Justice Hunters) worth today?

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"A Case for K9" (Starlight Rare) [1st Edition] has a TCGplayer market price of $12.37 as of 2026-10-29.

Is "A Case for K9" (Starlight Rare) going up or down in price?

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"A Case for K9" (Starlight Rare) #JUSH-EN040 is trending up: $12.37 today, up 19% in 30 days and at its highest since we began tracking (2026-09-16), set 2026-10-29, and 1.3x its low of $9.86 (2026-09-16). TCGplayer market price as of 2026-10-29, tracked daily since 2026-09-16. Other windows: up 13.4% over 7 days. A 30-day rise this size usually follows a supply squeeze or a new format result; check the eBay book depth before buying in.

What is the highest price for "A Case for K9" (Starlight Rare) since TickerMint began tracking?

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TickerMint began tracking Yu-Gi-Oh prices on 2026-09-16, after "A Case for K9" (Starlight Rare) came out, so these are the highest and lowest prices since we began tracking (2026-09-16), not all-time records. In TickerMint's daily data (since September 2026), the TCGplayer market price for "A Case for K9" (Starlight Rare) [1st Edition] (all conditions) peaked at $12.37 (2026-10-29) and bottomed at $9.86 (2026-09-16).

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