This card was printed in the following sets:

Card Name: Symbol Set Block
Swarm of Rats Eighth Edition (Uncommon) Eighth Edition Core Sets
Swarm of Rats Ninth Edition (Uncommon) Ninth Edition Core Sets
Swarm of Rats Portal Second Age (Common) Portal Second Age Miscellaneous

This card has restrictions in the following formats:

Format Legality
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.