This card was printed in the following sets:

Card Name: Symbol Set Block
Rock Hydra Limited Edition Alpha (Rare) Limited Edition Alpha Core Sets
Rock Hydra Limited Edition Beta (Rare) Limited Edition Beta Core Sets
Rock Hydra Unlimited Edition (Rare) Unlimited Edition Core Sets
Rock Hydra Revised Edition (Rare) Revised Edition Core Sets
Rock Hydra 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.