This card was printed in the following sets:

Card Name: Symbol Set Block
Underground Sea Limited Edition Alpha (Rare) Limited Edition Alpha Core Sets
Underground Sea Limited Edition Beta (Rare) Limited Edition Beta Core Sets
Underground Sea Unlimited Edition (Rare) Unlimited Edition Core Sets
Underground Sea Revised Edition (Rare) Revised Edition Core Sets
Underground Sea Masters Edition II (Rare) Masters Edition II Miscellaneous
Underground Sea Vintage Masters (Rare) Vintage Masters Miscellaneous
Underground Sea Masters Edition IV (Rare) Masters Edition IV Miscellaneous

This card has restrictions in the following formats:

Format Legality
Legacy Legal
Vintage Legal
Commander Legal
x For more information regarding each format and play style modifications, visit the Banned / Restricted Lists for DCI-Sanctioned Tournaments page on the Magic: The Gathering website.

Gatherer works better in the Companion app!