Gift Exchange is a Normal 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, Gift Exchange is Unlimited.
YGOPRODeck lists Gift Exchange for these formats: Duel Links, Common Charity, TCG, OCG, Master Duel.
A listed print of Gift Exchange appears in Maximum Crisis (MACR-EN090) at Common rarity.
Among markets shown on this page, the lowest listed snapshot for Gift Exchange is about $0.07 on Cardmarket (prices change frequently).
