
Until end of turn, colorless creatures you control gain "{T}: This creature deals damage equal to its power to target creature."
Gruesome Slaughter has 2 printings, first in Battle for Zendikar (2015). EDHREC ranks it #9,701 among Commander cards. It appears most in Zhulodok, Void Gorger decks (1,370 on EDHREC).
Deck counts from EDHREC.
Cards that show up in the same decks on EDHREC.