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 - $4.50
Lightly Played - $4.00
Played - $3.10
Heavily Played - $2.70
Damaged - $2.30
Near Mint Non-English - $4.50
Lightly Played Non-English - $4.00
Played Non-English - $3.10
Heavily Played Non-English - $2.70
Damaged Non-English - $2.30