Dustlands

Landfall—Whenever a land enters the battlefield
under your control, place two sand counters onto Dustlands, and another sand counter if you
control a Desert.
Remove X sand counters from Dustlands:
Destroy target artifact or enchantment with
converted mana cost X.
{g}, Sacrifice Dustlands: Search your deck for a Viashino with converted mana cost equal to the
number of sand counters on Dustlands and put it
onto the battlefield. Shuffle your library.