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.
NM-Mint - $3.10
Lightly Played - $3.00
Moderately Played - $2.80
Heavily Played - $2.50
Damaged - $2.10
NM-Mint Non English - $3.10
Lightly Played Non English - $3.00
Moderately Played Non English - $2.80
Heavily Played Non English - $2.50
Damaged Non English - $2.10