This card was printed in the following sets:

Card Name: Symbol Set Block
Caller of the Pack Commander 2015 (Uncommon) Commander 2015 General
Caller of the Pack Commander Anthology (Uncommon) Commander Anthology 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!