(Saltcrusted Aqueduct isn't a spell.) Saltcrusted Aqueduct enters the battlefield tapped unless you control one or more creatures. Saltcrusted Aqueduct is indestructible. (Destroy effects and lethal damage don't destroy it.) , Pay 1 life: Add  or to your mana pool. , , Sacrifice Saltcrusted Aqueduct: Draw a card.