This card was printed in the following sets:

Card Name: Symbol Set Block
Patron of the Valiant Magic Origins (Uncommon) Magic Origins General
Patron of the Valiant Game Night 2019 (Uncommon) Game Night 2019
Patron of the Valiant Jumpstart (Uncommon) Jumpstart
Patron of the Valiant Commander Legends (Uncommon) Commander Legends

This card has restrictions in the following formats:

Format Legality
Pioneer Legal
Modern Legal
Legacy Legal
Vintage Legal
Commander Legal
Historic Legal
Explorer 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!