Gagagatag 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, Gagagatag is Unlimited.
YGOPRODeck lists Gagagatag for these formats: Duel Links, Common Charity, TCG, OCG, Master Duel.
Gagagatag belongs to the Gagaga archetype—use that tag when searching for engine pieces and tech options.
A listed print of Gagagatag appears in 2014 Mega-Tin Mega Pack (MP14-EN167) at Common rarity.
Among markets shown on this page, the lowest listed snapshot for Gagagatag is about $0.05 on TCGPlayer (prices change frequently).
