Stellarknight Alpha 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, Stellarknight Alpha is Unlimited.
YGOPRODeck lists Stellarknight Alpha for these formats: Common Charity, TCG, OCG, Master Duel.
Stellarknight Alpha belongs to the Stellarknight archetype—use that tag when searching for engine pieces and tech options.
A listed print of Stellarknight Alpha appears in 2015 Mega-Tin Mega Pack (MP15-EN101) at Common rarity.
Among markets shown on this page, the lowest listed snapshot for Stellarknight Alpha is about $0.07 on Cardmarket (prices change frequently).
