Heart of Valakut

{t}: Add {r}. Heart of Valakut deals 1 damage
to you.
{r}, {t}, Discard a land card: Draw a card.
{r}, {t}, Exile a card from your graveyard:
Exile the top card of your library.
{r}, {t}, Sacrifice Heart of Valakut: Until end
of turn, you may play cards exiled with
Heart of Valakut.