Arbiter's Grounds

{t}: Add {1} to your mana pool.
{1}, {t}, Sacrifice Arbiter's Grounds: Search your
library for a Plains card and put it onto the battlefield, then shuffle your library.
"The Gerudo Desert once held a prison built to hold
the worst criminals this land has ever known... Now
that prison is condemned, and even the road leading
to the desert is impassable."