This card was printed in the following sets:

Card Name: Symbol Set Block
Mirri, Cat Warrior Tenth Edition (Rare) Tenth Edition Core Sets
Mirri, Cat Warrior Exodus (Rare) Exodus Rath Block
Mirri, Cat Warrior Tempest Remastered (Rare) Tempest Remastered General

This card has restrictions in the following formats:

Format Legality
Modern Legal
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!