Rainbow Gravity is a Normal Trap Card.
Trap Cards are normally Set first and can be activated on a later turn, often in response to an action.
On the current TCG and OCG Forbidden & Limited lists tracked here, Rainbow Gravity is Unlimited.
YGOPRODeck lists Rainbow Gravity for these formats: Duel Links, Speed Duel, Common Charity, Edison, TCG, OCG, Master Duel.
Rainbow Gravity belongs to the Crystal Beast archetype—use that tag when searching for engine pieces and tech options.
A listed print of Rainbow Gravity appears in Legendary Collection 2: The Duel Academy Years Mega Pack (LCGX-EN174) at Common rarity.
Among markets shown on this page, the lowest listed snapshot for Rainbow Gravity is about $0.06 on Cardmarket (prices change frequently).
