Mystery Shell Dragon is a Wyrm Normal Monster with Attribute DARK, Level 4, ATK 2000, DEF 0.
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, Mystery Shell Dragon is Unlimited.
YGOPRODeck lists Mystery Shell Dragon for these formats: Duel Links, Common Charity, TCG, OCG, Master Duel.
A listed print of Mystery Shell Dragon appears in 2016 Mega-Tin Mega Pack (MP16-EN047) at Common rarity.
Among markets shown on this page, the lowest listed snapshot for Mystery Shell Dragon is about $0.05 on Cardmarket (prices change frequently).
