Pitra, Elven Globetrotter

Whenever Pitra, Elven Globetrotter becomes tapped, traverse 4. (Reveal the top four cards of your library. You may choose up to one land card from among them and put it into your hand. Put the rest on the bottom of your library in any order.)
{1}{g}, {t}: Put a +1/+1 counter on Pitra, Elven Globetrotter.