Fanatic of Heliod

Madness {1}{w}{w} (If you discard this card, discard it into exile. When you do, cast it for its madness cost or put it into your graveyard.)
{w}, Discard a card: You gain 3 life. Tap target creature.
"All this anger is pointless. The gods give most
of us a good life. Isn't that enough?"