H - Heated Heart 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, H - Heated Heart is Unlimited.
YGOPRODeck lists H - Heated Heart for these formats: Duel Links, Common Charity, Edison, Speed Duel, TCG, OCG, Master Duel.
A listed print of H - Heated Heart appears in Dark Revelation Volume 4 (DR04-EN218) at Common rarity.
Among markets shown on this page, the lowest listed snapshot for H - Heated Heart is about $0.05 on Cardmarket (prices change frequently).
