Plague Monks

Plague Monks gets +1/+0 for each other Rat you control. A deck can have any number of cards
named Plague Monks.

These wretched creatures have wholly embraced the diseased aspect of their horned god. They inflict themselves with sickness, drawing strength from it
and gaining some measure of immunity to mundane diseases. So inured are they to pain and discomfort that they hardly feel it any longer.