Magnet Reverse is a Quick-Play 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, Magnet Reverse is Unlimited.
YGOPRODeck lists Magnet Reverse for these formats: Duel Links, Common Charity, TCG, OCG, Master Duel.
A listed print of Magnet Reverse appears in Duelist Pack: Rivals of the Pharaoh (DPRP-EN006) at Super Rare rarity.
Among markets shown on this page, the lowest listed snapshot for Magnet Reverse is about $0.12 on Cardmarket (prices change frequently).
