Khaw'Val, Orochi of the Desert

At the beginning of each player's upkeep, if you control four or more Deserts, you may create a
1/1 green Snake creature token.
{3}{g},{t}:Search your library for up to two land
cards, put them onto the battlefield tapped, then shuffle your library. If you control four or more
Deserts, untap those lands.
"Its sinuous movements are beautiful but also lethal"
—Rocca's Bandits