
{B}{B}, Pay half your life, rounded up: Destroy target nonblack creature. It can't be regenerated.
Murderous Betrayal has 3 printings, first in Nemesis (2000). EDHREC ranks it #26,126 among Commander cards. It appears most in Georgiou, Terran Emperor decks (49 on EDHREC).
Deck counts from EDHREC.
Cards that show up in the same decks on EDHREC.