Koa'ki Meiru Initialize! is a Quick-Play 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, Koa'ki Meiru Initialize! is Unlimited.
YGOPRODeck lists Koa'ki Meiru Initialize! for these formats: Duel Links, Common Charity, TCG, OCG, Master Duel.
Koa'ki Meiru Initialize! belongs to the Koa'ki Meiru archetype—use that tag when searching for engine pieces and tech options.
A listed print of Koa'ki Meiru Initialize! appears in The Shining Darkness (TSHD-EN058) at Common rarity.
Among markets shown on this page, the lowest listed snapshot for Koa'ki Meiru Initialize! is about $0.09 on TCGPlayer (prices change frequently).
