Crystal Bond 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, Crystal Bond is Unlimited.
YGOPRODeck lists Crystal Bond for these formats: Duel Links, TCG, OCG, Master Duel.
Crystal Bond belongs to the Crystal Beast archetype—use that tag when searching for engine pieces and tech options.
A listed print of Crystal Bond appears in Legendary Duelists: Ancient Millennium (LED2-EN039) at Ultra Rare rarity.
Among markets shown on this page, the lowest listed snapshot for Crystal Bond is about $0.18 on TCGPlayer (prices change frequently).
