Aetherflow Mountain

{t}: Add {c}. You get {e} (an energy counter).
{t}, Sacrifice Aetherflow Mountain: Add {c} equal
to the amount of {e} you have. You lose that
much {e} and that much life.
{t}, Pay X amount of {e}, Sacrifice Aetherflow
Mountain: Search your library for an artifact
card with converted mana cost X, reveal that
card and add it to your hand, then shuffle your
library.