Alaesh, Lord of the Dark Forge

When you play this creature if you don't have
more than 7 Fallen Angels, Fiends, Imps, or
Demon, Exile this creature.
When you take damage, you may sacrifice a
creature, if you do an opponent sacrifices a land,
put a colorless Drain of the Machine onto the
battlefield under you control with {t}: Add
{c} to your mana pool.