"A Case for K9"
Market price · TCGPlayer
Updated Sep 14, 2026
$0.19 – $9.76
6 printings priced
Type
Continuous
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.
Appears in 2 expansions
Printings (6)
| expansion | Code | Rarity | Price | Buy |
|---|---|---|---|---|
| Justice Hunters | JUSH-EN040 | Super Rare | $0.19 | |
| Justice Hunters | JUSH-EN040 | Starlight Rare | $9.76 | |
| Limited Pack World Championship 2026 | 26LP-EN011 | Ultra Rare | $0.26 | |
| Limited Pack World Championship 2026 | 26LP-EN011 | Secret Rare | $0.63 | |
| Limited Pack World Championship 2026 | 26LP-EN011 | Secret Rare | $3.00 | |
| Limited Pack World Championship 2026 | 26LP-EN011 | Ultra Rare | $0.64 |
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