(Waterveil Foothills isn't a spell.)

Whenever Waterveil Foothills becomes tapped, it deals 1 damage to you.

Waterveil Foothills is indestructible. (Destroy effects and lethal damage don't destroy it.)

: Add  or to your mana pool.

Put Waterveil Foothills on top of your library: Add  to your mana pool.