Otherworld - The "A" Zone is a Field 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, Otherworld - The "A" Zone is Unlimited.
YGOPRODeck lists Otherworld - The "A" Zone for these formats: Duel Links, Common Charity, Edison, Speed Duel, TCG, OCG, Master Duel.
Otherworld - The "A" Zone belongs to the Alien archetype—use that tag when searching for engine pieces and tech options.
A listed print of Otherworld - The "A" Zone appears in Force of the Breaker (FOTB-EN044) at Common rarity.
Among markets shown on this page, the lowest listed snapshot for Otherworld - The "A" Zone is about $0.07 on Cardmarket (prices change frequently).
