Rocky Tar Pit

Land

This land enters tapped. {T}, Sacrifice this land: Search your library for a Swamp or Mountain card, put it onto the battlefield, then shuffle.

Motor: se resuelve a mano

Rulings (1)

Because the “search” requires you to find a card with certain characteristics, you don't have to find the card if you don't want to.
Wizards of the Coast · 2004-10-04