Fire Formation - Tenki is a Continuous 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, Fire Formation - Tenki is Unlimited.
YGOPRODeck lists Fire Formation - Tenki for these formats: Speed Duel, Duel Links, Common Charity, TCG, OCG, Master Duel.
Fire Formation - Tenki belongs to the Fire Formation archetype—use that tag when searching for engine pieces and tech options.
A listed print of Fire Formation - Tenki appears in Astral Pack Three (AP03-EN003) at Ultimate Rare rarity.
Among markets shown on this page, the lowest listed snapshot for Fire Formation - Tenki is about $0.03 on Cardmarket (prices change frequently).
