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 - $3.90
Lightly Played - $3.20
Moderately Played - $2.80
Heavily Played - $2.40
Damaged - $2.00
Near Mint Spanish - $3.90
Lightly Played Spanish - $3.20
Moderately Played Spanish - $2.80
Heavily Played Spanish - $2.40
Damaged Spanish - $2.00