This card was printed in the following sets:

Card Name: Symbol Set Block
Lazav, Dimir Mastermind Gatecrash (Mythic Rare) Gatecrash Return to Ravnica
Lazav, Dimir Mastermind Guild Kit: Dimir (Mythic Rare) Guild Kit: Dimir Miscellaneous
Lazav, Dimir Mastermind Zendikar Rising Commander (Mythic Rare) Zendikar Rising Commander

This card has restrictions in the following formats:

Format Legality
Pioneer Legal
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!