Scourge, Embodiment of Fire

Scourge, Embodiment of Fire gets +X/+X, where X is your devotion to red.
Landfall: Whenever a land enters the battlefield under your control, you may cast a red spell from your graveyard without paying its mana cost. This ability can function even when this card is in the graveyard, but only if you cast Scourge, Embodiment of Fire.
{ut}: Sacrifice a land. Search your library for a mountain and put it on the battlefield tapped. You lose 1 life.