Lighten the Load is a Continuous 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, Lighten the Load is Unlimited.
YGOPRODeck lists Lighten the Load for these formats: GOAT, OCG GOAT, Duel Links, Common Charity, Edison, TCG, OCG, Master Duel.
A listed print of Lighten the Load appears in Dark Revelation Volume 3 (DR3-EN107) at Common rarity.
Among markets shown on this page, the lowest listed snapshot for Lighten the Load is about $0.07 on Cardmarket (prices change frequently).
