Hieratic Seal of the Heavenly Spheres is a Dragon Link Monster with Attribute LIGHT, Level 0, Link 2, ATK 0.
As a Link Monster, its arrows and Link Rating matter for Extra Deck zoning and co-linked plays—not only its ATK.
On the current TCG and OCG Forbidden & Limited lists tracked here, Hieratic Seal of the Heavenly Spheres is Unlimited.
YGOPRODeck lists Hieratic Seal of the Heavenly Spheres for these formats: Common Charity, Duel Links, TCG, OCG, Master Duel.
Hieratic Seal of the Heavenly Spheres belongs to the Hieratic archetype—use that tag when searching for engine pieces and tech options.
A listed print of Hieratic Seal of the Heavenly Spheres appears in 25th Anniversary Rarity Collection II (RA02-EN039) at Collector's Rare rarity.
Among markets shown on this page, the lowest listed snapshot for Hieratic Seal of the Heavenly Spheres is about $0.08 on TCGPlayer (prices change frequently).
