Key Mouse
Tuner Effect Monster
Key Mouse is a Tuner Effect Monster (EARTH/Beast, Level 1) with 100 ATK / 100 DEF. First printed in The Shining Darkness (2010).
- Type
- Tuner Monster
- Attribute
- EARTH
- Monster type
- Beast
- Level
- 1
- ATK / DEF
- 100 / 100
- Banlist
- Unlimited in the TCG, OCG, and Master Duel
- TCG release
- 2010-05-07
- Printings
- 1
Card text
When this card is destroyed by battle and sent to the Graveyard, you can add 1 Level 3 or lower Beast-Type monster from your Deck to your hand.
Approximate value
≈$0.23
YGOPRODeck recorded a lowest available USD card-level price hint of ~$0.23 on Sep 25, 2026 (historical, not a printing-specific quote). It varies with printing, condition, edition, rarity, and grading. Check current listings before buying or selling.
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Printings & rarities
| Set | Set code | Rarity | Release | Price* |
|---|---|---|---|---|
| The Shining Darkness | TSHD-EN036 | Common | 2010-05-07 | $0.23 |
*Approximate, from recent marketplace listings, not market values.
Price hint history
Dated YGOPRODeck snapshots. These hints are not sales or market values.
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Key Mouse in other languages
| Japanese | キーマウス |
| Korean | 키 마우스 |
| German | Schlüsselmaus |
| French | Souris des Clés |
| Italian | Topo Chiave |
| Spanish | Ratón Llave |