Tormented Piano

Whenever you combat damage, you may put creatures who total power adds up to the combat damage you dealt. At the beginning of your upkeep, put a -1/-1 counter on summoned this way.
{b}{r}{x}: Put a 5/1 black and red cultist token with haste, X torment tokens, and "This card must attack each combat step if able to. When this card is destroyed, deal X damage to the controller of the card, where x is the amount of torment tokens that were on this card." to the battlefield.