Sietch Jacurutu

Sietch Jacurutu enters the battlefield tapped unless
you control 3 or more other deserts.
{t}: Add {b}
{t}, Sacrifice a creature: Add {b} to your mana pool
equal to that creature's power.
—
They were called Iduali, which meant 'water insects,' because those people wouldn't hesitate to steal the
water of another Fremen. There was this place where
they lived: Sietch Jacurutu.