Quarton

Untap Quarton during each opponents untap step.

{1}, {t}, Discard a card: You gain 4 life.
{1}, {t}, Pay 1 life: Put a 0/1 white Goat creature token onto the battlefield.
{1}, {t}, Sacrifice a creature: Return target artifact card from your graveyard to your hand.
{1}, {t}, Sacrifice an artifact: Draw a card.