Sinister Serpent is a Reptile Effect Monster with Attribute WATER, Level 1, ATK 300, DEF 250.
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, Sinister Serpent is Unlimited.
YGOPRODeck lists Sinister Serpent for these formats: GOAT, OCG GOAT, Speed Duel, Duel Links, Common Charity, Edison, TCG, OCG, Master Duel.
A listed print of Sinister Serpent appears in Battle Pack 2: War of the Giants (BP02-EN015) at Common rarity.
Among markets shown on this page, the lowest listed snapshot for Sinister Serpent is about $1.43 on Cardmarket (prices change frequently).
