Resonator Call 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, Resonator Call is Unlimited.
YGOPRODeck lists Resonator Call for these formats: Duel Links, Common Charity, TCG, OCG, Master Duel.
Resonator Call belongs to the Resonator archetype—use that tag when searching for engine pieces and tech options.
A listed print of Resonator Call appears in Duelist Pack: Dimensional Guardians (DPDG-EN029) at Rare rarity.
Among markets shown on this page, the lowest listed snapshot for Resonator Call is about $0.16 on Cardmarket (prices change frequently).
