Karakuri Showdown Castle is a Field Spell Card.
Spell Cards are usually activated from the hand on your turn unless their type gives another timing window.
On the current TCG and OCG Forbidden & Limited lists tracked here, Karakuri Showdown Castle is Unlimited.
YGOPRODeck lists Karakuri Showdown Castle for these formats: Duel Links, TCG, OCG, Master Duel.
Karakuri Showdown Castle belongs to the Karakuri archetype—use that tag when searching for engine pieces and tech options.
A listed print of Karakuri Showdown Castle appears in Starstrike Blast (STBL-EN046) at Rare rarity.
Among markets shown on this page, the lowest listed snapshot for Karakuri Showdown Castle is about $0.29 on TCGPlayer (prices change frequently).
