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 - $2.20
Lightly Played - $1.80
Moderately Played - $1.60
Heavily Played - $1.30
Damaged - $1.10
Near Mint Spanish - $2.20
Lightly Played Spanish - $1.80
Moderately Played Spanish - $1.60
Heavily Played Spanish - $1.30
Damaged Spanish - $1.10