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 - $1.80
Lightly Played - $1.50
Moderately Played - $1.30
Heavily Played - $1.10
Damaged - $0.90
Near Mint Spanish - $1.80
Lightly Played Spanish - $1.50
Moderately Played Spanish - $1.30
Heavily Played Spanish - $1.10
Damaged Spanish - $0.90