Soul of the Pure 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, Soul of the Pure is Unlimited.
YGOPRODeck lists Soul of the Pure for these formats: GOAT, OCG GOAT, Duel Links, Common Charity, Edison, TCG, OCG, Master Duel.
A listed print of Soul of the Pure appears in Dark Beginning 2 (DB2-EN086) at Common rarity.
Among markets shown on this page, the lowest listed snapshot for Soul of the Pure is about $0.19 on Cardmarket (prices change frequently).
