D.D. Borderline is a Continuous 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, D.D. Borderline is Unlimited.
YGOPRODeck lists D.D. Borderline for these formats: GOAT, OCG GOAT, Common Charity, Edison, TCG, OCG, Master Duel.
D.D. Borderline belongs to the D.D. archetype—use that tag when searching for engine pieces and tech options.
A listed print of D.D. Borderline appears in Dark Revelation Volume 2 (DR2-EN040) at Common rarity.
Among markets shown on this page, the lowest listed snapshot for D.D. Borderline is about $0.03 on Cardmarket (prices change frequently).
