Monsturtle is a Aqua Normal Monster with Attribute WATER, Level 3, ATK 800, DEF 1000.
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, Monsturtle is Unlimited.
YGOPRODeck lists Monsturtle for these formats: OCG GOAT, Duel Links, OCG, Master Duel.
Among markets shown on this page, the lowest listed snapshot for Monsturtle is about $0.25 on Amazon (prices change frequently).
