
Attacking creatures you control get +1/+0 and have menace.
Gruul War Chant has 4 printings, first in Dragon's Maze (2013). EDHREC ranks it #6,825 among Commander cards. It appears most in Bello, Bard of the Brambles decks (11,899 on EDHREC).
Deck counts from EDHREC.
Cards that show up in the same decks on EDHREC.