Card Rotator 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, Card Rotator is Unlimited.
YGOPRODeck lists Card Rotator for these formats: Duel Links, Common Charity, Edison, TCG, OCG, Master Duel.
A listed print of Card Rotator appears in Crossroads of Chaos (CSOC-EN045) at Common rarity.
Among markets shown on this page, the lowest listed snapshot for Card Rotator is about $0.07 on Cardmarket (prices change frequently).
