Crystolic Potential 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, Crystolic Potential is Unlimited.
YGOPRODeck lists Crystolic Potential for these formats: Duel Links, Common Charity, TCG, OCG, Master Duel.
Crystolic Potential belongs to the Crystron archetype—use that tag when searching for engine pieces and tech options.
A listed print of Crystolic Potential appears in 2017 Mega-Tin Mega Pack (MP17-EN153) at Common rarity.
Among markets shown on this page, the lowest listed snapshot for Crystolic Potential is about $0.05 on Cardmarket (prices change frequently).
