Megalith Portal 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, Megalith Portal is Unlimited.
YGOPRODeck lists Megalith Portal for these formats: Duel Links, Common Charity, TCG, OCG, Master Duel.
Megalith Portal belongs to the Megalith archetype—use that tag when searching for engine pieces and tech options.
A listed print of Megalith Portal appears in Ignition Assault (IGAS-EN057) at Common rarity.
Among markets shown on this page, the lowest listed snapshot for Megalith Portal is about $0.10 on Cardmarket (prices change frequently).
