Unknown Warrior of Fiend is a Warrior Normal Monster with Attribute DARK, Level 3, ATK 1000, DEF 500.
Monster cards contest the field through Summons, battles, and effects—check Level/Rank/Link and Attribute for Extra Deck or searchers.
On the current TCG and OCG Forbidden & Limited lists tracked here, Unknown Warrior of Fiend is Unlimited.
YGOPRODeck lists Unknown Warrior of Fiend for these formats: GOAT, OCG GOAT, Duel Links, Common Charity, Edison, TCG, OCG, Master Duel.
A listed print of Unknown Warrior of Fiend appears in Starter Deck: Kaiba (SDK-017) at Common rarity.
Among markets shown on this page, the lowest listed snapshot for Unknown Warrior of Fiend is about $0.03 on Cardmarket (prices change frequently).
