Ascending Soul 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, Ascending Soul is Unlimited.
YGOPRODeck lists Ascending Soul for these formats: Duel Links, Edison, TCG, OCG, Master Duel.
A listed print of Ascending Soul appears in Absolute Powerforce (ABPF-EN059) at Rare rarity.
Among markets shown on this page, the lowest listed snapshot for Ascending Soul is about $0.11 on TCGPlayer (prices change frequently).
