Solemn Warning 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.
Ban status for Solemn Warning: TCG Unlimited, OCG Semi-Limited. Confirm the latest list for your event or online format before you main it.
YGOPRODeck lists Solemn Warning for these formats: Common Charity, TCG, OCG, Master Duel.
Solemn Warning belongs to the Solemn archetype—use that tag when searching for engine pieces and tech options.
A listed print of Solemn Warning appears in 25th Anniversary Rarity Collection II (RA02-EN078) at Collector's Rare rarity.
Among markets shown on this page, the lowest listed snapshot for Solemn Warning is about $0.27 on Cardmarket (prices change frequently).
