This card was printed in the following sets:

Card Name: Symbol Set Block
Defiant Strike Khans of Tarkir (Common) Khans of Tarkir Khans of Tarkir
Defiant Strike War of the Spark (Common) War of the Spark
Defiant Strike Core Set 2021 (Common) Core Set 2021
Defiant Strike Strixhaven Mystical Archive (Uncommon) Strixhaven Mystical Archive

This card has restrictions in the following formats:

Format Legality
Pioneer Legal
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!