Gatekeeper is a Machine Normal Monster with Attribute DARK, Level 5, ATK 1500, DEF 1800.
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, Gatekeeper is Unlimited.
YGOPRODeck lists Gatekeeper for these formats: OCG GOAT, Speed Duel, Duel Links, Common Charity, Edison, TCG, OCG, Master Duel.
A listed print of Gatekeeper appears in Speed Duel: Scars of Battle (SBSC-EN022) at Common rarity.
Among markets shown on this page, the lowest listed snapshot for Gatekeeper is about $0.09 on Cardmarket (prices change frequently).
