
{T}, Sacrifice a creature: Proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)
Plaguemaw Beast has 3 printings, first in Mirrodin Besieged (2011). EDHREC ranks it #13,829 among Commander cards. It appears most in Hapatra, Vizier of Poisons decks (1,244 on EDHREC). It has 2 official rulings.
Deck counts from EDHREC.
Cards that show up in the same decks on EDHREC.