Bidoofs

When Bidoofs enter the battlefield, you may search your library for a basic land card and put it in your hand. If you do, Shuffle your library, tap Bidoofs and Bidoofs doesn't untap during your next untap step.
"With nerves of steel, nothing can perturb them. They are more agile and active than they appear, constantly gnawing on logs and rocks to whittle down their front teeth. they nest alongside water."
-The Pok