Magical Dimension 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, Magical Dimension is Unlimited.
YGOPRODeck lists Magical Dimension for these formats: OCG GOAT, Duel Links, Common Charity, Edison, TCG, OCG, Master Duel.
A listed print of Magical Dimension appears in Champion Pack: Game Two (CP02-EN011) at Rare rarity.
Among markets shown on this page, the lowest listed snapshot for Magical Dimension is about $0.07 on Cardmarket (prices change frequently).
