Septic Rats | Magic: The Gathering
Formats Septic Rats is Legal in
Official Oracle Text for Septic Rats
Whenever Septic Rats attacks, if defending player is poisoned, it gets +1/+1 until end of turn.
Official Rulings for Septic Rats
6/1/2011 : Septic Rats gets a maximum of +1/+1 from its ability, no matter how many poison counters the defending player has.