Akoum Miner

Whenever a Mountain enters the battlefield
under your control, exile the top card of your
library. Until end of turn, you may cast that card.
{1}{r}, Sacrifice a Mountain: Create two Gold
tokens. (They're artifacts with "Sacrifice this
artifact: Add one mana of any color)
Only the amount of deaths match the amount of gold
mined in the Akoum mines.