MTG >Combos >Card with Free Sacrifice ability +Oathsworn Vampire +Bontu's Monument +Carnival of Souls +

With all cards in play, Pay one black mana and cast Oathsworn Vampire Carnival of Souls' ability will trigger, adding one black mana Bontu's Monument's ability will trigger, you will gain 1 life and your opponents will lose 1 life. Sacrifice Vampire Oathsworn and replay it from your graveyard with black mana. Repeat the process for infinite damage.