This card was printed in the following sets:

Card Name: Symbol Set Block
Relentless Rats Tenth Edition (Uncommon) Tenth Edition Core Sets
Relentless Rats Magic 2010 (Uncommon) Magic 2010 Core Sets
Relentless Rats Magic 2011 (Uncommon) Magic 2011 Core Sets
Relentless Rats Fifth Dawn (Uncommon) Fifth Dawn Mirrodin Block
Relentless Rats Masters 25 (Common) Masters 25 Miscellaneous
Relentless Rats Time Spiral Remastered (Bonus) Time Spiral Remastered

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.
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