
Flying
Whenever this creature deals combat damage to a player, proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)
Thrummingbird has 14 printings, first in Scars of Mirrodin (2010). EDHREC ranks it #831 among Commander cards. It appears most in Atraxa, Praetors' Voice decks (23,409 on EDHREC). 5 public decks on TCG run it. It has 6 official rulings.
Deck counts from EDHREC.
Cards that show up in the same decks on EDHREC.