
This creature gets +1/+0 for each other Rat you control.
A deck can have any number of cards named Rat Colony.
Rat Colony has 5 printings, first in Dominaria (2018). EDHREC ranks it #4,692 among Commander cards. It appears most in Marrow-Gnawer decks (10,892 on EDHREC). It has 1 official ruling.
Deck counts from EDHREC.
Cards that show up in the same decks on EDHREC.