TCGenius.ai
"A Case for K9"
Continuous Spell
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.
Is it legal?
TCGLimited
OCGUnlimited (3)
Master DuelUnlimited (3)
Rarity: Ultra Rare (UR)
Genesys15 points
Price
About $0.16–$0.16 across printings and stores (as of Oct 8, 2026). See listings on TCGplayer · eBay · Cardmarket (EU)
Price history & alerts
Played in tournaments
In 2 recent tournament lists, mostly Vanquish Soul K9 (1), K9 (1).
Printings
| Set | Code | Rarity |
|---|---|---|
| Limited Pack World Championship 2026 | 26LP-EN011 | Secret Rare |
| Limited Pack World Championship 2026 | 26LP-EN011 | Ultra Rare |
| Justice Hunters | JUSH-EN040 | Starlight Rare |
| Justice Hunters | JUSH-EN040 | Super Rare |
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