Mathmech Induction is a Continuous 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, Mathmech Induction is Unlimited.
YGOPRODeck lists Mathmech Induction for these formats: Duel Links, TCG, OCG, Master Duel.
Mathmech Induction belongs to the Mathmech archetype—use that tag when searching for engine pieces and tech options.
A listed print of Mathmech Induction appears in Mystic Fighters (MYFI-EN013) at Secret Rare rarity.
Among markets shown on this page, the lowest listed snapshot for Mathmech Induction is about $0.28 on Cardmarket (prices change frequently).