Link Restart is a Counter 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, Link Restart is Unlimited.
YGOPRODeck lists Link Restart for these formats: Common Charity, TCG, OCG, Master Duel.
A listed print of Link Restart appears in 2018 Mega-Tin Mega Pack (MP18-EN148) at Common rarity.
Among markets shown on this page, the lowest listed snapshot for Link Restart is about $0.02 on Cardmarket (prices change frequently).
