Dark Illusion is a Counter Trap Card.
Trap Cards are normally Set first and can be activated on a later turn, often in response to an action.
On the current TCG and OCG Forbidden & Limited lists tracked here, Dark Illusion is Unlimited.
YGOPRODeck lists Dark Illusion for these formats: Duel Links, Common Charity, Edison, TCG, OCG, Master Duel.
A listed print of Dark Illusion appears in Destiny Soldiers (DESO-EN060) at Super Rare rarity.
Among markets shown on this page, the lowest listed snapshot for Dark Illusion is about $0.49 on Cardmarket (prices change frequently).
