This card was printed in the following sets:

Card Name: Symbol Set Block
Giant Octopus Seventh Edition (Common) Seventh Edition Core Sets
Giant Octopus Eighth Edition (Common) Eighth Edition Core Sets
Giant Octopus Ninth Edition (Common) Ninth Edition Core Sets
Giant Octopus Starter 1999 (Common) Starter 1999 Miscellaneous
Giant Octopus Starter 2000 (Common) Starter 2000 Miscellaneous
Giant Octopus Portal (Common) Portal Miscellaneous

This card has restrictions in the following formats:

Format Legality
Modern Legal
Legacy Legal
Vintage Legal
Commander Legal
Pauper 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!