If you control four or fewer lands, search your library for a basic land card, put it onto the battlefield tapped, then shuffle your library.
Cycling—Sacrifice a land. (Sacrifice a land, Discard this card: Draw a card.)
Cycling is an activated ability. Effects that interact with activated abilities (such as Stifle or Rings of Brighthearth) will interact with cycling. Effects that interact with spells (such as Remove Soul or Faerie Tauntings) will not.