Relentless Rats gets +1/+1 for each other creature on the battlefield named Relentless Rats. A deck can have any number of cards named Relentless Rats.
Near Mint - $2.75
Lightly Played - $2.50
Moderately Played - $2.25
Heavily Played - $1.75
Damaged - $1.50
Near Mint Non-English - $2.75
Lightly Played Non-English - $2.50
Moderately Played Non-English - $2.25
Heavily Played Non-English - $1.75
Damaged Non-English - $1.50