Law of the Cosmos 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, Law of the Cosmos is Unlimited.
YGOPRODeck lists Law of the Cosmos for these formats: TCG, OCG, Master Duel.
Law of the Cosmos belongs to the Jinzo archetype—use that tag when searching for engine pieces and tech options.
A listed print of Law of the Cosmos appears in Legendary Duelists: Rage of Ra (LED7-EN035) at Super Rare rarity.
Among markets shown on this page, the lowest listed snapshot for Law of the Cosmos is about $0.25 on TCGPlayer (prices change frequently).
