Charged-Up Heraldry 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, Charged-Up Heraldry is Unlimited.
YGOPRODeck lists Charged-Up Heraldry for these formats: Duel Links, Common Charity, TCG, OCG, Master Duel.
Charged-Up Heraldry belongs to the Heraldic archetype—use that tag when searching for engine pieces and tech options.
A listed print of Charged-Up Heraldry appears in Ignition Assault (IGAS-EN060) at Common rarity.
Among markets shown on this page, the lowest listed snapshot for Charged-Up Heraldry is about $0.12 on TCGPlayer (prices change frequently).
