This card was printed in the following sets:

Card Name: Symbol Set Block
Myr Enforcer Mirrodin (Common) Mirrodin Mirrodin Block
Myr Enforcer Planechase (Common) Planechase Miscellaneous
Myr Enforcer Modern Masters (Common) Modern Masters Miscellaneous
Myr Enforcer Modern Masters 2015 Edition (Common) Modern Masters 2015 Edition General
Myr Enforcer Jumpstart: Historic Horizons (Common) Jumpstart: Historic Horizons

This card has restrictions in the following formats:

Format Legality
Modern Legal
Legacy Legal
Vintage Legal
Commander Legal
Pauper Legal
Historic 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!