Karma, Bane of Dollinger

Karma cannot be enchanted or equipped.
You cannot create Gold or Treasure tokens.
Whenever an instant or a spell with flash is cast
during combat, tap Karma.
{1}{b}{g/w},{t}: Destroy target artifact. You gain life
equal to its coverted mana cost. Its controller loses
that much life.
{x}{g/w},{t}: Remove X -1/-1 counters from among creatures you control, or remove X poison
counters from among players.