Ravaged Outpost
Artifact Land (Rare)

(Ravaged Outpost isn't a spell.)

At the beginning of your end step, if you didn't cast any spells this turn, Ravaged Outpost deals 1 damage to you.

Sacrifice a land: You gain 1 life.

Tap, Pay 1 life, Sacrifice Ravaged Outpost: Search your library for a Mountain or Plains card and put it onto the battlefield, then shuffle your library.

Mark Staples