Painkeeper

{x}, Sacrifice Painkeeper: If Painkeeper has dealt
combat damage to a player this turn, exile target
black and/or red instant or sorcery with {x} in its
casting cost from your graveyard to have
Painkeeper deals X damage to any target.
Whenever you are dealt damage by an instant or sorcery this turn and Painkeeper is in your graveyard, it gains "{b}{r}: Return Painkeeper
from your graveyard to the battlefield"
until end of turn.