Bloodscale, the Reluctant

When Bloodscale, the Reluctant enters the battlefield: discard 1 card, and draw 1 card.
{r}{r}{r}{t}: target creature or player takes damage
equal to the number of lands you have in your graveyard.
When Bloodscale, the Reluctant is destroyed and
sent to the graveyard: you may place 1 basic land
from your library in the graveyard, or on to the
battlefield tapped.