This card was printed in the following sets:

Card Name: Symbol Set Block
Tukatongue Thallid Conflux (Common) Conflux Shards of Alara Block
Tukatongue Thallid Planechase 2012 Edition (Common) Planechase 2012 Edition Miscellaneous
Tukatongue Thallid Modern Masters 2015 Edition (Common) Modern Masters 2015 Edition General
Tukatongue Thallid Planechase Anthology (Common) Planechase Anthology General

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!