Unbreakable Spirit is a Normal Trap Card.
Trap Cards are normally Set first and can be activated on a later turn, often in response to an action.
On the current TCG and OCG Forbidden & Limited lists tracked here, Unbreakable Spirit is Unlimited.
YGOPRODeck lists Unbreakable Spirit for these formats: Speed Duel, Duel Links, Common Charity, TCG, OCG, Master Duel.
A listed print of Unbreakable Spirit appears in Battle Pack 3: Monster League (BP03-EN234) at Common rarity.
Among markets shown on this page, the lowest listed snapshot for Unbreakable Spirit is about $0.06 on Cardmarket (prices change frequently).
