
Whenever a player casts a black spell, you may gain 1 life.
Demon's Horn has 11 printings, first in Darksteel (2004). EDHREC ranks it #6,580 among Commander cards. It appears most in K'rrik, Son of Yawgmoth decks (4,418 on EDHREC). It has 2 official rulings.
Deck counts from EDHREC.
Cards that show up in the same decks on EDHREC.