Core Blaster is a Equip 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, Core Blaster is Unlimited.
YGOPRODeck lists Core Blaster for these formats: Duel Links, Common Charity, Edison, TCG, OCG, Master Duel.
Core Blaster belongs to the Koa'ki Meiru archetype—use that tag when searching for engine pieces and tech options.
A listed print of Core Blaster appears in Ancient Prophecy (ANPR-EN053) at Common rarity.
Among markets shown on this page, the lowest listed snapshot for Core Blaster is about $0.02 on Cardmarket (prices change frequently).
