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 - $3.500
Lightly Played - $2.800
Moderately Played - $2.500
Heavily Played - $2.100
Damaged - $1.800
Near Mint Spanish - $3.500
Lightly Played Spanish - $2.800
Moderately Played Spanish - $2.500
Heavily Played Spanish - $2.100
Damaged Spanish - $1.800