Key Mouse is a Beast Tuner Monster with Attribute EARTH, Level 1, ATK 100, DEF 100.
Monster cards contest the field through Summons, battles, and effects—check Level/Rank/Link and Attribute for Extra Deck or searchers.
On the current TCG and OCG Forbidden & Limited lists tracked here, Key Mouse is Unlimited.
YGOPRODeck lists Key Mouse for these formats: Duel Links, Common Charity, TCG, OCG, Master Duel.
A listed print of Key Mouse appears in The Shining Darkness (TSHD-EN036) at Common rarity.
Among markets shown on this page, the lowest listed snapshot for Key Mouse is about $0.12 on Cardmarket (prices change frequently).
